chumacera

MB 25 & 35 Series Ball Bearings

Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions

Pillow Blocks - 1

B Min. Distance

Between Bolt Holes

C

L

E

M

H

U

D

F - Bolts

B Max. Distance

Between Bolt Holes

ABase to

Centerline Height

45

Size Code

Shaft Diameter

Part Number

A Base to

Centerline Height

B Min. Distance

Between Bolt Holes

B Max. Distance

Betweeen Bolt Holes

C D E F H L M U Approx. Weight

203

1/2 C25K-12♦● □Δ1 3/16 3 1/8 4 1/8 5 63/64 1 5/16

3/81/2 2 9/32

1 1/841/64

1.115/8 C25K-58♦● □Δ

1 13/641.07

11/16 C25K-1116♦● □Δ 1.05204 3/4 C25K-34♦● □Δ 1 5/16 3 3/8 4 3/16 5 1/4 1 5/64 1 7/16

3/817/32 2 17/32 1 3/8

23/32 1.51

205

7/8 C25K-78♦● □Δ1 7/16 3 7/16 4 9/16 5 1/2 1 1/8 1 7/16

3/819/32 2 13/16 1 9/16

3/4

1.8115/16 C25K-1516♦● □Δ 1.781 C25K1♦● □Δ 1.75

25.00 C25K-25♦● □Δ 36.52 87.30 115.90 139.70 28.58 36.52 10.00 15.10 71.40 39.70 19.00 0.80

206

1 1/8 C25K1-18♦● □Δ1 11/16 4 1/8 5 1/8 6 1/4 1 19/64 1 5/8

1/221/32 3 1/4

1 13/1629/32

2.451 3/16 C25K1-316♦● □Δ

22.42

1 1/4 C25K1-14S♦● □Δ 2.3930.00 C25K-30♦● □Δ 42.88 104.80 130.20 158.80 32.94 41.28 12.00 16.70 82.60 50.80 23.00 1.10

2071 1/4 C25K1-14♦● □Δ

1 7/8 4 9/16 5 9/16 6 11/16 1 15/32 1 3/41/2

3/4 3 11/16

21 1/32

3.571 3/8 C25K1-38♦● □Δ

2 1/43.47

1 7/16 C25K1-716♦● □Δ 3.41

2081 1/2 C25K1-12♦● □Δ

2 1/8 5 1/32 6 1/32 7 1/4 1 9/16 1 7/81/2

7/8 4 1/8 2 1/2 1 5/644.60

1 5/8 C25K1-58♦● □Δ 4.46

2091 5/8 C25K1-58L♦● □Δ

2 1/8 5 13/32 6 17/32 7 3/4 1 19/32 2 1/229/32 4 1/4

2 1/2

1 1/16

5.281 11/16 C25K1-1116♦● □Δ

2 11/165.21

1 3/4 C25K1-34♦● □Δ 5.14

2101 7/8 C25K1-78♦● □Δ

2 1/4 5 27/32 6 27/32 8 1/4 1 41/64 2 1/85/8 1 4 1/2 2 7/8 1 3/32

6.281 15/16 C25K1-1516♦● □Δ 6.19

2 C25K2♦● □Δ 6.10

2112 C25K2L♦● □Δ

2 1/2 6 5/16 7 1/2 8 7/8 1 3/4 2 5/165/8 1 4 31/32

2 7/8

1 7/32

7.782 3/16 C25K2-316♦● □Δ

3 1/87.48

2 1/4 C25K2-14♦● □Δ 7.38

2122 1/4 C25K2-14L♦● □Δ

2 3/4 6 29/32 8 5/32 9 5/8 1 57/64 2 3/85/8 1 1/16 5 15/32

3 1/8

1 5/16

10.122 3/8 C25K2-38♦● □Δ

3 3/89.88

2 7/16 C25K2-716♦● □Δ 9.76215 2 15/16 C25K2-1516♦● □Δ 3 1/2 8 1/8 10 1/8 12 2 1/8 2 7/8

7/8 1 7/32 6 21/32 3 15/16 1 21/64 16.73

Corrosion resistant powder coatingCast iron housingBroad range of sealing optionsCentrik-Lok shaft locking deviceAlignable & relubricatableSee Features & Benefits for additional info.

2-Bolt Pillow Block

Photo Shows a 2-Bolt Ball Bearing Pillow Block Unit

C25K - MB M

B25 Series Standard Duty Centrik-Lok Ball Bearing

C25K

Please call 1-866-REXNORD for availabilityLubrication fitting tap size: for size codes 203 thru 205, 1/4-28 UNF: for all

other size codes, 1/8” PTBase to centerline tolerance, +/- .005”(+/- 0.13mm)Lip seals standard♦ Available with E1 viton seals for size codes 212 and smaller♦ Available with TFF viton seals for size codes above 212

Available with free running style seals, add suffix ● FF, □ HFF or Δ MHFF for size codes 212 and smaller

Add suffix ● FF, □ SFF or Δ MKFF for size codes above 212Selection Guide, see MB Ball Bearing Selection Guide sectionLoad Ratings & Speed Limits, see MB Ball Bearing Load

Ratings & Speed Limits sectionNote: Dimensions subject to change. Certified dimensions of ordered

material furnished on request.


Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions

Pillow Blocks - 2

C

H

A

F - Bolts D

U

E

L

B Min. Distance

Between Bolt HolesB

Max. Distance Between Bolt Holes

ABase to

Centerline Height

Corrosion resistant powder coatingCast iron housingBroad range of sealing optionsSpring locking setscrew mountAlignable & relubricatableSee Features & Benefits for additional info.

2-Bo

lt Pi

llow

Blo

ck








C25

- M

B M

B25

Seri

es S

tand

ard

Dut

y Sp

ring

Loc

king

Bal

l Bea

ring C25

Size Code

Shaft Diameter

Part Number

A Base to

Centerline Height

B Min. Distance Between Bolt

Holes

BMax. Distance Between Bolt

Holes

C D E F H L U Approx. Weight

203

1/2 C25-12♦● □Δ1 3/16 3 1/8 4 1/8 5 63/64 1 5/16

3/81/2 2 9/32

41/64

1.115/8 C25-58♦● □Δ 1.07

11/16 C25-1116♦● □Δ 1.05

2043/4 C25-34♦● □Δ 1 5/16 3 3/8 4 3/16 5 1/4 1 1/8 1 7/16

3/817/32 2 17/32

3/4 1.5120.00 C25-20♦● □Δ 33.32 85.70 106.40 133.30 28.58 36.52 10.00 13.50 64.30 19.00 0.70

205

7/8 C25-78♦● □Δ1 7/16 3 7/16 4 9/16 5 1/2 1 11/64 1 7/16

3/819/32 2 13/16

51/64

1.8115/16 C25-1516♦● □Δ 1.781 C251♦● □Δ 1.75

25.00 C25-25♦● □Δ 36.52 87.30 115.90 139.70 29.77 36.52 10.00 15.10 71.40 20.20 0.80

206

1 1/8 C251-18♦● □Δ1 11/16 4 1/8 5 1/8 6 1/4 1 11/32 1 5/8

1/221/32 3 1/4

61/64

2.451 3/16 C251-316♦● □Δ 2.421 1/4 C251-14S♦● □Δ 2.39

30.00 C25-30♦● □Δ 42.88 104.80 130.20 158.80 34.14 41.28 12.00 16.70 82.60 24.20 1.10

207

1 1/4 C251-14♦● □Δ1 7/8 4 9/16 5 9/16 6 11/16 1 9/16 1 3/4

1/23/4 3 11/16 1 7/64

3.571 3/8 C251-38♦● □Δ 3.471 7/16 C251-716♦● □Δ 3.4135.00 C25-35♦● □Δ 47.62 115.90 141.30 169.90 39.67 44.45 12.00 19.00 93.70 28.20 1.60

2081 1/2 C251-12♦● □Δ

2 1/8 5 1/32 6 1/32 7 1/4 1 21/32 1 7/81/2

7/8 4 1/8 1 11/644.60

1 5/8 C251-58♦● □Δ 4.4640.00 C25-40♦● □Δ 53.98 127.80 153.20 184.20 42.06 47.62 12.00 22.20 104.80 29.80 2.00

2091 5/8 C251-58L♦● □Δ

2 1/8 5 13/32 6 17/32 7 3/4 1 49/64 2 1/229/32 4 1/4 1 15/64

5.281 11/16 C251-1116♦● □Δ 5.211 3/4 C251-34♦● □Δ 5.14

2101 7/8 C251-78♦● □Δ

2 1/4 5 27/32 6 27/32 8 1/4 1 13/16 2 1/85/8 1 4 1/2 1 17/64

6.281 15/16 C251-1516♦● □Δ 6.19

2 C252♦● □Δ 6.10

2112 C252L♦● □Δ

2 1/2 6 5/16 7 1/2 8 7/8 1 13/16 2 5/165/8 1 4 31/32 1 9/32

7.782 3/16 C252-316♦● □Δ 7.482 1/4 C252-14♦● □Δ 7.38

2122 1/4 C252-14L♦● □Δ

2 3/4 6 29/32 8 5/32 9 5/8 1 57/64 2 3/85/8 1 1/16 5 15/32 1 5/16

10.122 3/8 C252-38♦● □Δ 9.882 7/16 C252-716♦● □Δ 9.76

215 2 15/16 C252-1516♦● □Δ 3 1/2 8 1/8 10 1/8 12 2 17/64 2 7/87/8 1 7/32 6 21/32 1 15/32 16.73


Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions

Pillow Blocks - 3

B Min. Distance

Between Bolt Holes

C

L

E

M

H

U

D

F - Bolts

B Max. Distance

Between Bolt Holes

ABase to

Centerline Height

45

Size Code

Shaft Diameter

Part Number

A Base to

Centerline Height

B Min. Distance

Between Bolt Holes

B Max. Distance

Between Bolt Holes


206 1 C35K1♦●□Δ 1 11/16 4 1/8 5 1/8 6 1/4 1 19/64 1 5/81/2

21/32 3 1/4 1 13/1629/32 2.54

207 1 3/16 C35K1-316♦●□Δ 1 7/8 4 9/16 5 9/16 6 11/16 1 15/32 1 3/41/2

3/4 3 11/16 2 1 1/32 3.58208 1 7/16 C35K1-716♦●□Δ 2 1/8 5 1/32 6 1/32 7 1/4 1 9/16 1 7/8

1/27/8 4 1/8 2 1/4 1 3/32 4.65

209 1 1/2 C35K1-12♦●□Δ 2 1/8 5 13/32 6 17/32 7 3/4 1 19/32 2 1/229/32 4 1/4 2 1/2 1 1/8 5.40

2101 11/16 C35K1-1116♦●□Δ

2 1/4 5 27/32 6 27/32 8 1/4 1 41/64 2 1/85/8 1 4 1/2 2 3/4 1 5/32 6.53

1 3/4 C35K1-34♦●□Δ

2111 15/16 C35K1-1516♦●□Δ

2 1/2 6 5/16 7 1/2 8 7/8 1 3/4 2 5/165/8 1 4 31/32 2 7/8 1 7/32 7.87

2 C35K2♦●□Δ212 2 3/16 C35K2-316♦●□Δ 2 3/4 6 29/32 8 5/32 9 5/8 1 57/64 2 3/8

5/8 1 1/16 5 15/32 3 1/8 1 3/8 10.24

2142 7/16 C35K2-716●□Δ♦

3 7 1/2 9 1/4 10 3/4 2 5/64 2 11/163/4 1 5/32 6 3 3/4 1 7/16 13.31

2 1/2 C35K2-12●□Δ♦215 2 11/16 C35K2-1116●□Δ♦ 3 1/2 8 1/8 10 1/8 12 2 1/8 2 7/8

7/8 1 7/32 6 21/32 3 15/16 1 15/32 17.36

2162 15/16 C35K2-1516●□Δ♦

3 1/2 8 3/8 10 1/8 12 2 3/16 3 7/8 1 9/32 6 7/8 4 3/16 1 1/2 19.323 C35K3●□Δ♦

2183 3/16 C35K3-316●□Δ♦

4 9 13/16 11 15/16 14 2 23/64 3 3/87/8 1 11/32 7 7/8 4 13/16 1 9/16 27.523 7/16 C35K3-716●□Δ♦

3 1/2 C35K3-12●□Δ♦


2-Bolt Pillow Block

Please call 1-866-REXNORD for availabilityLubrication fitting tap size, 1/8” PTBase to centerline tolerance, +/- .005”(+/- 0.13mm)Lip seals standard♦ Available with E1 viton seals for size codes 212 and smaller♦ Available with TFF viton seals for size codes above 212Available with free running style seals, add suffix ● FF, □ HFF or Δ MHFF for

size codes 212 and smaller





C35K - MB M

B35 Series Medium

Duty Centrik-Lok Ball Bearing

C35K


Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions

Pillow Blocks - 4

H

A

F- Bolts D

U

E

L

C

B Min. Distance

Between Bolt HolesB


ABase to

Centerline Height

Size Code

Shaft Diameter

Part Number

A Base to

Centerline Height

B Min. Distance

Between Bolt Holes

B Max. Distance

Between Bolt Holes

C D E F H L UApprox. Weight

206 1 C351♦●□Δ 1 11/16 4 1/8 5 1/8 6 1/4 1 11/32 1 5/81/2

21/32 3 1/461/64 2.54

207 1 3/16 C351-316♦●□Δ 1 7/8 4 9/16 5 9/16 6 11/16 1 9/16 1 3/41/2

3/4 3 11/16 1 7/64 3.58208 1 7/16 C351-716♦●□Δ 2 1/8 5 1/32 6 1/32 7 1/4 1 21/32 1 7/8

1/27/8 4 1/8 1 11/64 4.65

209 1 1/2 C351-12♦●□Δ 2 1/8 5 13/32 6 17/32 7 3/4 1 49/64 2 1/229/32 4 1/4 1 15/64 5.40

2101 11/16 C351-1116♦●□Δ

2 1/4 5 27/32 6 27/32 8 1/4 1 13/16 2 1/85/8 1 4 1/2 1 17/64 6.53

1 3/4 C351-34♦●□Δ

2111 15/16 C351-1516♦●□Δ

2 1/2 6 5/16 7 1/2 8 7/8 1 13/16 2 5/165/8 1 4 31/32 1 9/32 7.87

2 C352♦●□Δ212 2 3/16 C352-316♦●□Δ 2 3/4 6 29/32 8 5/32 9 5/8 1 57/64 2 3/8

5/8 1 1/16 5 15/32 1 5/16 10.24

2142 7/16 C352-716●□Δ♦

3 7 1/2 9 1/4 10 3/4 2 15/64 2 11/163/4 1 5/32 6 1 7/16 13.31

2 1/2 C352-12●□Δ♦215 2 11/16 C352-1116●□Δ♦ 3 1/2 8 1/8 10 1/8 12 2 17/64 2 7/8

7/8 1 7/32 6 21/32 1 15/32 17.36

2162 15/16 C352-1516●□Δ♦

3 1/2 8 3/8 10 1/8 12 2 23/64 3 7/8 1 9/32 6 7/8 1 1/2 19.323 C353●□Δ♦

2183 3/16 C353-316●□Δ♦

4 9 13/16 11 15/16 14 2 33/64 3 3/87/8 1 11/32 7 7/8 1 9/16 27.523 7/16 C353-716●□Δ♦

3 1/2 C353-12●□Δ♦


2-Bo

lt Pi

llow

Blo

ck

Please call 1-866-REXNORD for availabilityLubrication fitting tap size, 1/8” PTBase to centerline tolerance, +/- .005”(+/- 0.13mm)Lip seals standard♦ Available with E1 viton seals for size codes 212 and smaller♦ Available with TFF viton seals for size codes above 212Available with free running style seals, add suffix ● FF, □ HFF or Δ MHFF for






C35

- M

B M

B35

Seri

es M

ediu

m D

uty

Spri

ng L

ocki

ng B

all B

eari

ng C35


Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions

Pillow Blocks - 5

B Min. Distance

Between Bolt Holes

C

L

E

M

H

U

D

F - Bolts

B Max. Distance

Between Bolt Holes

ABase to

Centerline Height

45

Size Code

Shaft Diameter

Part Number

A Base to

Centerline Height

B Min. Distance

Between Bolt Holes

B Max. Distance

Between Bolt Holes

C D E F H L UApprox. Weight

206 1 C351♦●□Δ 1 11/16 4 1/8 5 1/8 6 1/4 1 11/32 1 5/81/2

21/32 3 1/461/64 2.54

207 1 3/16 C351-316♦●□Δ 1 7/8 4 9/16 5 9/16 6 11/16 1 9/16 1 3/41/2

3/4 3 11/16 1 7/64 3.58208 1 7/16 C351-716♦●□Δ 2 1/8 5 1/32 6 1/32 7 1/4 1 21/32 1 7/8

1/27/8 4 1/8 1 11/64 4.65

209 1 1/2 C351-12♦●□Δ 2 1/8 5 13/32 6 17/32 7 3/4 1 49/64 2 1/229/32 4 1/4 1 15/64 5.40

2101 11/16 C351-1116♦●□Δ

2 1/4 5 27/32 6 27/32 8 1/4 1 13/16 2 1/85/8 1 4 1/2 1 17/64 6.53

1 3/4 C351-34♦●□Δ

2111 15/16 C351-1516♦●□Δ

2 1/2 6 5/16 7 1/2 8 7/8 1 13/16 2 5/165/8 1 4 31/32 1 9/32 7.87

2 C352♦●□Δ212 2 3/16 C352-316♦●□Δ 2 3/4 6 29/32 8 5/32 9 5/8 1 57/64 2 3/8

5/8 1 1/16 5 15/32 1 5/16 10.24

2142 7/16 C352-716●□Δ♦

3 7 1/2 9 1/4 10 3/4 2 15/64 2 11/163/4 1 5/32 6 1 7/16 13.31

2 1/2 C352-12●□Δ♦215 2 11/16 C352-1116●□Δ♦ 3 1/2 8 1/8 10 1/8 12 2 17/64 2 7/8

7/8 1 7/32 6 21/32 1 15/32 17.36

2162 15/16 C352-1516●□Δ♦

3 1/2 8 3/8 10 1/8 12 2 23/64 3 7/8 1 9/32 6 7/8 1 1/2 19.323 C353●□Δ♦

2183 3/16 C353-316●□Δ♦

4 9 13/16 11 15/16 14 2 33/64 3 3/87/8 1 11/32 7 7/8 1 9/16 27.523 7/16 C353-716●□Δ♦

3 1/2 C353-12●□Δ♦

Size Code

Shaft Diameter

Part Number

A Base to

Centerline Height

B Min. Distance

Between Bolt Holes

B Max. Distance

Between Bolt Holes


203

1/2 CL25K-12♦● □Δ1 1/16 3 1/8 4 1/8 5 63/64 1 5/16

3/83/8 2 5/32

1 1/841/64

1.065/8 CL25K-58♦● □Δ

1 13/641.02

11/16 CL25K-1116♦● □Δ 1.00204 3/4 CL25K-34♦● □Δ 1 1/4 3 3/8 4 3/16 5 1/4 1 5/64 1 7/16

3/815/32 2 15/32 1 3/8

23/32 1.44

205

7/8 CL25K-78♦● □Δ1 5/16 3 7/16 4 9/16 5 1/2 1 1/8 1 7/16

3/815/32 2 11/16 1 9/16

3/4

1.7115/16 CL25K-1516♦● □Δ 1.681 CL25K1♦● □Δ 1.67

25.00 CL25K-25♦● □Δ 33.32 87.30 115.90 132.10 28.58 36.52 10.00 11.90 68.30 39.70 19.00 0.80

206

1 1/8 CL25K1-18♦● □Δ1 9/16 4 1/8 5 1/8 6 1/4 1 19/64 1 5/8

1/217/32 3 1/8

1 13/1629/32

2.271 3/16 CL25K1-316♦● □Δ

22.24

1 1/4 CL25K1-14S♦● □Δ 2.2130.00 CL25K-30♦● □Δ 39.67 104.80 130.20 158.80 32.94 41.28 12.00 13.50 79.38 50.80 23.00 1.00

2071 1/4 CL25K1-14♦● □Δ

1 13/16 4 9/16 5 9/16 6 11/16 1 15/32 1 3/41/2

11/16 3 5/8

21 1/32

3.471 3/8 CL25K1-38♦● □Δ

2 1/43.37

1 7/16 CL25K1-716♦● □Δ 3.31

2081 1/2 CL25K1-12♦● □Δ

1 15/16 5 1/32 6 1/32 7 1/4 1 9/16 1 7/81/2

11/16 3 15/16 2 1/2 1 5/644.54

1 5/8 CL25K1-58♦● □Δ 4.40

2091 5/8 CL25K1-58L♦● □Δ

2 1/16 5 13/32 6 17/32 7 3/4 1 19/32 2 1/227/32 4 3/16

2 1/2

1 1/16

5.221 11/16 CL25K1-1116♦● □Δ

2 11/165.15

1 3/4 CL25K1-34♦● □Δ 5.08

2101 7/8 CL25K1-78♦● □Δ

2 3/16 5 27/32 6 27/32 8 1/4 1 41/64 2 1/85/8

15/16 4 7/16 2 7/8 1 3/32

6.151 15/16 CL25K1-1516♦● □Δ 6.06

2 CL25K2♦● □Δ 5.97

2112 CL25K2L♦● □Δ

2 7/16 6 5/16 7 1/2 8 7/8 1 3/4 2 5/165/8

15/16 4 29/32

2 7/8

1 7/32

7.612 3/16 CL25K2-316♦● □Δ

3 1/87.31

2 1/4 CL25K2-14♦● □Δ 7.21

2122 1/4 CL25K2-14L♦● □Δ

2 11/16 6 29/32 8 5/32 9 5/8 1 57/64 2 3/85/8 1 5 13/32

3 1/8

1 5/16

10.072 3/8 CL25K2-38♦● □Δ

3 3/89.83

2 7/16 CL25K2-716♦● □Δ 9.71215 2 15/16 CL25K2-1516♦● □Δ 3 5/16 8 1/8 10 1/8 12 2 1/8 2 7/8

7/8 1 1/32 6 15/32 3 15/16 1 21/64 16.23

Corrosion resistant powder coatingCast iron housingBroad range of sealing optionsCentrik-Lok shaft locking deviceAlignable & relubricatableLow base to center heightSee Features & Benefits for additional info.

2-Bolt Low Backing H

eight Pillow Block


CL25K - MB M


CL25K








Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions

Pillow Blocks - 6

H

A

F - Bolts D

U

E

L

C

B Min. Distance

Between Bolt HolesB


ABase to

Centerline Height

Size Code

Shaft Diameter

Part Number

A Base to

Centerline Height

B Min. Distance

Between Bolt Holes

B Max. Distance

Between Bolt Holes

C D E F H L U Approx. Weight

203

1/2 CL25-12♦● □Δ1 1/16 3 1/8 4 1/8 5 63/64 1 5/16

3/83/8 2 5/32

41/64

1.065/8 CL25-58♦● □Δ 1.02

11/16 CL25-1116♦● □Δ 1.00

2043/4 CL25-34♦● □Δ 1 1/4 3 3/8 4 3/16 5 1/4 1 1/8 1 7/16

3/815/32 2 15/32

3/4 1.4420.00 CL25-20♦● □Δ 31.75 85.70 106.40 133.30 28.58 36.52 10.00 11.90 62.70 19.00 0.60

205

7/8 CL25-78♦● □Δ1 5/16 3 7/16 4 9/16 5 1/2 1 11/64 1 7/16

3/815/32 2 11/16

51/64

1.7115/16 CL25-1516♦● □Δ 1.681 CL251♦● □Δ 1.67

25.00 CL25-25♦● □Δ 33.32 87.30 115.90 139.70 29.77 36.52 10.00 11.90 68.30 20.20 0.80

206

1 1/8 CL251-18♦● □Δ1 9/16 4 1/8 5 1/8 6 1/4 1 11/32 1 5/8

1/217/32 3 1/8

61/64

2.271 3/16 CL251-316♦● □Δ 2.241 1/4 CL251-14S♦● □Δ 2.21

30.00 CL25-30♦● □Δ 39.67 104.80 130.20 158.80 34.14 41.28 12.00 13.50 79.38 24.20 1.00

207

1 1/4 CL251-14♦● □Δ1 13/16 4 9/16 5 9/16 6 11/16 1 9/16 1 3/4

1/211/16 3 5/8 1 7/64

3.471 3/8 CL251-38♦● □Δ 3.371 7/16 CL251-716♦● □Δ 3.3135.00 CL25-35♦● □Δ 46.02 115.90 141.30 169.90 39.67 44.45 12.00 17.50 92.08 28.20 1.50

2081 1/2 CL251-12♦● □Δ

1 15/16 5 1/32 6 1/32 7 1/4 1 21/32 1 7/81/2

11/16 3 15/16 1 11/644.54

1 5/8 CL251-58♦● □Δ 4.4040.00 CL25-40♦● □Δ 49.22 127.80 153.20 184.20 42.06 47.62 12.00 17.50 100.02 29.80 2.00

2091 5/8 CL251-58L♦● □Δ

2 1/16 5 13/32 6 17/32 7 3/4 1 49/64 2 1/227/32 4 3/16 1 15/64

5.221 11/16 CL251-1116♦● □Δ 5.151 3/4 CL251-34♦● □Δ 5.08

2101 7/8 CL251-78♦● □Δ

2 3/16 5 27/32 6 27/32 8 1/4 1 13/16 2 1/85/8

15/16 4 7/16 1 17/64

6.151 15/16 CL251-1516♦● □Δ 6.06

2 CL252♦● □Δ 5.97

2112 CL252L♦● □Δ

2 7/16 6 5/16 7 1/2 8 7/8 1 13/16 2 5/165/8

15/16 4 29/32 1 9/32

7.612 3/16 CL252-316♦● □Δ 7.312 1/4 CL252-14♦● □Δ 7.21

2122 1/4 CL252-14L♦● □Δ

2 11/16 6 29/32 8 5/32 9 5/8 1 57/64 2 3/85/8 1 5 13/32 1 5/16

10.072 3/8 CL252-38♦● □Δ 9.832 7/16 CL252-716♦● □Δ 9.71

215 2 15/16 CL252-1516♦● □Δ 3 5/16 8 1/8 10 1/8 12 2 17/64 2 7/87/8 1 1/32 6 15/32 1 15/32 16.23

Corrosion resistant powder coatingCast iron housingBroad range of sealing optionsSpring locking setscrew mountAlignable & relubricatableLow base to center heightSee Features & Benefits for additional info.

2-Bo

lt Lo

w B

acki

ng H

eigh

t Pill

ow B

lock








CL25CL

25 -

MB

MB2

5 Se

ries

Sta

ndar

d D

uty

Spri

ng L

ocki

ng B

all B

eari

ng


Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions

Pillow Blocks - 7

ABase to

CenterlineHeight

L

U

E

F Tap

45°

D

BDistance Between

Bolt HolesC

Size Code

Shaft Diameter

Part Number

A Base to

Centerline Height

B Distance Between

Bolt Holes

F Tap C D E F

Depth L U Approx. Weight

203

1/2 TBC25-12♦● □Δ1 5/16 2 3/8-16 2 7/8

63/64 1 5/161/2 2 13/32

41/64

1.065/8 TBC25-58♦● □Δ 1.02

11/16 TBC25-1116♦● □Δ 1.00

2043/4 TBC25-34♦● □Δ 1 5/16 2 3/8-16 2 7/8 1 1/8 1 7/16

1/2 2 17/323/4 1.20

20.00 TBC25-20♦● □Δ 33.32 50.80 3/8-16 73.00 28.58 36.52 12.70 64.30 19.00 0.50

205

7/8 TBC25-78♦● □Δ1 7/16 2 3/8-16 3 1 11/64 1 7/16

1/2 2 13/1651/64

1.4015/16 TBC25-1516♦● □Δ 1.371 TBC251♦● □Δ 1.34

25.00 TBC25-25♦● □Δ 36.52 50.80 3/8-16 76.20 29.77 36.52 12.70 71.40 20.20 0.60

206

1 1/8 TBC251-18♦● □Δ1 11/16 3 7/16-14 4 1 11/32 1 5/8

5/8 3 1/461/64

2.351 3/16 TBC251-316♦● □Δ 2.321 1/4 TBC251-14S♦● □Δ 2.29

30.00 TBC25-30♦● □Δ 42.88 76.20 7/16-14 101.60 34.14 41.28 15.90 82.60 24.20 1.00

207

1 1/4 TBC251-14♦● □Δ1 7/8 3 1/4 1/2-13 4 1/4 1 9/16 1 3/4

3/4 3 11/16 1 7/64

3.131 3/8 TBC251-38♦● □Δ 3.031 7/16 TBC251-716♦● □Δ 2.9735.00 TBC25-35♦● □Δ 47.62 82.55 1/2-13 108.00 39.67 44.45 19.00 93.70 28.20 1.40

2081 1/2 TBC251-12♦● □Δ

1 15/16 3 1/2 1/2-13 4 5/8 1 21/32 1 7/83/4 3 15/16 1 11/64

3.671 5/8 TBC251-58♦● □Δ 3.53

40.00 TBC25-40♦● □Δ 49.22 88.90 1/2-13 117.50 42.06 47.62 19.00 100.00 29.80 1.60

2091 5/8 TBC251-58L♦● □Δ

2 1/8 3 3/4 1/2-13 5 1 49/64 2 3/4 4 1/4 1 15/64

4.751 11/16 TBC251-1116♦● □Δ 4.681 3/4 TBC251-34♦● □Δ 4.61

2101 7/8 TBC251-78♦● □Δ

2 1/4 4 5/8-11 5 1/2 1 13/16 2 1/87/8 4 1/2 1 17/64

5.661 15/16 TBC251-1516♦● □Δ 5.57

2 TBC252♦● □Δ 5.48

Corrosion resistant powder coatingCast iron tapped base housingBroad range of sealing optionsSpring locking setscrew mountAlignable & relubricatableSee Features & Benefits for additional info.

Tapped Base Pillow Block

Photo Shows a 2-Bolt Ball Bearing Tapped Base Pillow Block

TBC25 - MB M

B25 Series Standard Duty Spring Locking Ball Bearing

TBC25


other size codes, 1/8” PTBase to centerline tolerance, +/- .005”(+/- 0.13mm)Lip seals standard♦ Available with E1 viton sealsAvailable with free running style seals, add suffix ● FF, □ HFF or Δ MHFFSelection Guide, see MB Ball Bearing Selection Guide section

Load Ratings & Speed Limits, see MB Ball Bearing Load Ratings & Speed Limits section

Note: Dimensions subject to change. Certified dimensions of ordered material furnished on request.


Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions

Pillow Blocks - 8

F - Bolts

KU

E

L

H

D

C

B Min. Distance

Between Bolt HolesB


ABase to

Centerline Height

Size Code

Shaft Diameter

Part Number

A Base to

Centerline Height

B Min. Distance

Between Bolt Holes

B Max. Distance

Between Bolt Holes

C D E F H K L URadial Load

Rating

Approx. Weight

203

1/2 PS25-12♦● □Δ7/8 2 1/2 2 7/8 3 5/8

63/64 1 5/163/4

13/16 1 3/441/64 300

0.505/8 PS25-58♦● □Δ 0.46

11/16 PS25-1116♦● □Δ 0.44

2043/4 PS25-34♦● □Δ 1 2 7/8 3 1/8 4 1/8 1 1/8 1 3/8

7/859/64 2 1/16

23/32 350 0.6320.00 PS25-20♦● □Δ 25.40 73.00 79.40 104.80 28.58 25.40 10.00 22.20 23.42 52.40 18.30 1,560 0.30

205

7/8 PS25-78♦● □Δ1 1/8 3 3/16 3 9/16 4 1/2 1 11/64 1 1/8

3/83/4 1 1/16 2 7/32

3/4 4000.81

15/16 PS25-1516♦● □Δ 0.781 PS251♦● □Δ 0.75

25.00 PS25-25♦● □Δ 28.58 81.00 90.50 114.30 29.77 28.60 10.00 19.00 27.00 56.40 19.00 1,780 0.30

206

1 1/8 PS251-18♦● □Δ1 5/16 3 9/16 3 15/16 4 7/8 1 11/32 1 1/8

3/87/8 1 3/16 2 5/8

7/8 6001.19

1 3/16 PS251-316♦● □Δ 1.141 1/4 PS251-14S♦● □Δ 1.11

30.00 PS25-30♦● □Δ 33.32 90.50 100.00 123.80 34.14 28.60 10.00 22.20 30.16 66.70 22.20 2,670 0.50

2071 1/4 PS251-14♦● □Δ

1 9/16 3 15/16 4 7/16 5 3/4 1 9/16 1 1/41/2 1 1 3/16 3 1/8 1 800

1.651 3/8 PS251-38♦● □Δ 1.551 7/16 PS251-716♦● □Δ 1.50

Formed steel housingBroad range of sealing optionsSpring locking setscrew mountAlignable & non-relubricatableSee Features & Benefits for additional info.

Form

ed S

teel

Pill

ow B

lock

Photo Shows a 2-Bolt Ball Bearing Pillow Block Unit with Stamped Steel Housing

PS25

- M

B M

B25

Seri

es S

tand

ard

Dut

y Sp

ring

Loc

king

Bal

l Bea

ring PS25


other size codes, 1/8” PTBase to centerline tolerance, +/- .005”(+/- 0.13mm)Lip seals standard♦ Available with E1 viton sealsAvailable with free running style seals, add suffix ● FF, □ HFF or Δ MHFFSelection Guide, see MB Ball Bearing Selection Guide section




Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions

Flange Blocks - 9

A

N

BOLTS - F

P

H

D G

M

BDistanceBetween

Bolt Holes

LMounting Surface

to Collar Face

Size Code

Shaft Diameter

Part Number

B Distance Between

Bolt Holes

L Mounting Surface to Collar Face

A D F G H M N P Approx. Weight

203

1/2 FC225K-12♦● □Δ3 1 1/8 2 5/16

63/643/8

9/643/8

1 1/8

3 7/85/16

0.815/8 FC225K-58♦● □Δ

1 13/640.77

11/16 FC225K-1116♦● □Δ 0.75

2043/4 FC225K-34♦● □Δ 3 17/32 1 9/32 2 3/8 1 5/64

3/85/32

7/16 1 3/8 4 13/3213/32 0.91

20.00 FC225K-20♦● □Δ 89.69 32.20 60.30 27.38 10.00 4.00 11.10 34.90 111.90 10.30 0.40

205

7/8 FC225K-78♦● □Δ3 57/64 1 5/16 2 3/4 1 1/8

7/161/8

1/2 1 9/16 4 7/87/16

1.3215/16 FC225K-1516♦● □Δ 1.291 FC225K1♦● □Δ 1.26

25.00 FC225K-25♦● □Δ 98.82 33.30 69.80 28.58 10.00 3.20 12.70 39.70 123.80 11.10 0.60

2061 1/8 FC225K1-18♦● □Δ

4 19/32 1 1/2 3 3/16 1 19/647/16

1/817/32

1 13/16

5 9/169/16

1.791 3/16 FC225K1-316♦● □Δ

21.75

1 1/4 FC225K1-14S♦● □Δ 1.71

2071 1/4 FC225K1-14♦● □Δ

5 1/8 1 23/32 3 11/16 1 15/321/2

5/329/16

26 1/8

21/32

2.691 3/8 FC225K1-38♦● □Δ

2 1/42.59

1 7/16 FC225K1-716♦● □Δ 2.54

2081 1/2 FC225K1-12♦● □Δ

5 21/32 1 13/16 4 1/8 1 9/161/2

11/649/16 2 1/2 6 3/4

21/323.47

1 5/8 FC225K1-58♦● □Δ 3.3340.00 FC225K-40♦● □Δ 143.67 46.00 104.80 39.67 12.00 4.40 14.30 63.50 171.40 16.70 1.50

2091 5/8 FC225K1-58L♦● □Δ

5 27/32 1 29/32 4 3/8 1 19/329/16

11/649/16

2 1/2

7 1/1623/32

3.461 11/16 FC225K1-1116♦● □Δ

2 11/163.39

1 3/4 FC225K1-34♦● □Δ 3.32

2101 7/8 FC225K1-78♦● □Δ

6 3/16 1 29/32 4 9/16 1 41/649/16

5/325/8 2 7/8 7 15/32

23/32

4.431 15/16 FC225K1-1516♦● □Δ 4.34

2 FC225K2♦● □Δ 4.25

2112 FC225K2L♦● □Δ

7 1/4 2 5 1 3/45/8

5/3223/32

2 7/8

8 1/211/16

6.042 3/16 FC225K2-316♦● □Δ

3 1/85.74

2 1/4 FC225K2-14♦● □Δ 5.60


2-Bolt Flanged Block

Photo Shows a 2-Bolt Ball Bearing Flanged Unit

FC225K - MB M


FC225K


other size codes, 1/8” PTLip seals standard♦ Available with E1 viton sealsAvailable with free running style seals, add suffix ● FF, □ HFF or Δ MHFFSelection Guide, see MB Ball Bearing Selection Guide section




Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions

Flange Blocks - 10

Size Code

Shaft Diameter

Part Number

B Distance Between

Bolt Holes

LMounting Surface

to Inner Ring Long Hub Face

A D F G H N P Approx. Weight

203

1/2 FC225-12♦● □Δ3 1 1/8 2 5/16

63/643/8

9/643/8 3 7/8

5/16

0.815/8 FC225-58♦● □Δ 0.77

11/16 FC225-1116♦● □Δ 0.75

2043/4 FC225-34♦● □Δ 3 17/32 1 9/32 2 3/8 1 1/8

3/89/64

7/16 4 13/3213/32 0.91

20.00 FC225-20♦● □Δ 89.69 32.20 60.30 28.58 10.00 3.60 11.10 111.90 10.30 0.40

205

7/8 FC225-78♦● □Δ3 57/64 1 5/16 2 3/4 1 11/64

7/161/8

1/2 4 7/87/16

1.3215/16 FC225-1516♦● □Δ 1.291 FC2251♦● □Δ 1.26

25.00 FC225-25♦● □Δ 98.82 33.30 69.80 29.77 10.00 3.20 12.70 123.80 11.10 0.60

206

1 1/8 FC2251-18♦● □Δ4 19/32 1 1/2 3 3/16 1 11/32

7/169/64

17/32 5 9/169/16

1.791 3/16 FC2251-316♦● □Δ 1.751 1/4 FC2251-14S♦● □Δ 1.71

30.00 FC225-30♦● □Δ 116.68 38.10 81.00 34.14 10.00 3.60 13.50 141.30 14.30 0.80

207

1 1/4 FC2251-14♦● □Δ5 1/8 1 23/32 3 11/16 1 9/16

1/29/64

9/16 6 1/821/32

2.691 3/8 FC2251-38♦● □Δ 2.591 7/16 FC2251-716♦● □Δ 2.5435.00 FC225-35♦● □Δ 130.18 43.70 93.70 39.67 12.00 3.60 14.30 155.60 16.70 1.20

2081 1/2 FC2251-12♦● □Δ

5 21/32 1 13/16 4 1/8 1 21/321/2

5/329/16 6 3/4

21/323.47

1 5/8 FC2251-58♦● □Δ 3.3340.00 FC225-40♦● □Δ 143.67 46.00 104.80 42.06 12.00 4.00 14.30 171.40 16.70 1.50

2091 5/8 FC2251-58L♦● □Δ

5 27/32 1 29/32 4 3/8 1 49/649/16

1/89/16 7 1/16

23/32

3.461 11/16 FC2251-1116♦● □Δ 3.391 3/4 FC2251-34♦● □Δ 3.32

2101 7/8 FC2251-78♦● □Δ

6 3/16 1 29/32 4 9/16 1 13/169/16

7/645/8 7 15/32

23/32

4.431 15/16 FC2251-1516♦● □Δ 4.34

2 FC2252♦● □Δ 4.25

2112 FC2252L♦● □Δ

7 1/4 2 5 1 13/165/8

11/6423/32 8 1/2

11/16

6.042 3/16 FC2252-316♦● □Δ 5.742 1/4 FC2252-14♦● □Δ 5.64


2-Bo

lt Fl

ange

d Bl

ock

A

BDistanceBetween

Bolt Holes N A

F - Bolts

P

HL

Mounting Surface to Inner Ring Long Hub Face

D GPhoto Shows a 2-Bolt Ball Bearing Flanged Unit

FC22

5 -

MB

MB2

5 Se

ries

Sta

ndar

d D

uty

Spri

ng L

ocki

ng B

all B

eari

ng FC225






Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions

Flange Blocks - 11

A

N

BOLTS - F

P

H

D G

M

BDistanceBetween

Bolt Holes

LMounting Surface

to Collar Face

Size Code

Shaft Diameter

Part Number

B Distance Between

Bolt Holes


A D F G H M N P Approx. Weight

206 1 FC235K1♦●□Δ 4 19/32 1 1/2 3 3/16 1 19/647/16

1/817/32 1 13/16 5 9/16

9/16 2.54207 1 3/16 FC235K1-316♦●□Δ 5 1/8 1 23/32 3 11/16 1 15/32

1/25/32

9/16 2 6 1/821/32 3.32

208 1 7/16 FC235K1-716♦●□Δ 5 21/32 1 13/16 4 1/8 1 9/161/2

11/649/16 2 1/4 6 3/4

21/32 4.55209 1 1/2 FC235K1-12♦●□Δ 5 27/32 1 29/32 4 3/8 1 19/32

9/1611/64

9/16 2 1/2 7 1/1623/32 5.03

2101 11/16 FC235K1-1116♦●□Δ

6 3/16 1 29/32 4 9/16 1 41/649/16

5/325/8 2 3/4 7 15/32

23/32 5.591 3/4 FC235K1-34♦●□Δ

2111 15/16 FC235K1-1516♦●□Δ

7 1/4 2 5 1 3/45/8

5/325/8 2 7/8 8 1/2

11/16 7.692 FC235K2♦●□Δ



Please call 1-866-REXNORD for availabilityLubrication fitting tap size, 1/8” PTLip seals standard♦ Available with E1 viton sealsAvailable with free running style seals, add suffix ● FF, □ HFF or Δ MHFFSelection Guide, see MB Ball Bearing Selection Guide sectionLoad Ratings & Speed Limits, see MB Ball Bearing Load

Ratings & Speed Limits section



FC235K - MB M

B35 Series Medium


FC235K


Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions

Flange Blocks - 12

Size Code

Shaft Diameter

Part Number

B Distance Between

Bolt Holes

L Mounting Surface

to Inner RingLong Hub Face

A D F G H N P Approx. Weight

206 15/16 FC235-1516♦●□Δ 4 19/32 1 1/2 3 3/16 1 11/327/16

9/6417/32 5 9/16

9/16 1.92207 1 3/16 FC2351-316♦●□Δ 5 1/8 1 23/32 3 11/16 1 9/16

1/29/64

9/16 6 1/821/32 2.70

208 1 7/16 FC2351-716♦●□Δ 5 21/32 1 13/16 4 1/8 1 21/321/2

5/329/16 6 3/4

21/32 3.52209 1 1/2 FC2351-12♦●□Δ 5 27/32 1 29/32 4 3/8 1 49/64

9/161/8

9/16 7 1/1623/32 3.58

2101 11/16 FC2351-1116♦●□Δ

6 3/16 1 29/32 4 9/16 1 13/169/16

7/645/8 7 15/32

23/32 4.671 3/4 FC2351-34♦●□Δ

2111 15/16 FC2351-1516♦●□Δ

7 1/4 2 5 1 13/165/8

11/6423/32 8 1/2

11/16 6.132 FC2352♦●□Δ


2-Bo

lt Fl

ange

d Bl

ock

Please call 1-866-REXNORD for availabilityLubrication fitting tap size, 1/8” PTLip seals standard♦ Available with E1 viton sealsAvailable with free running style seals, add suffix ● FF, □ HFF or Δ MHFFSelection Guide, see MB Ball Bearing Selection Guide sectionLoad Ratings & Speed Limits, see MB Ball Bearing Load



A

N A

F - Bolts

P

H

D G

BDistanceBetween

Bolt Holes

LMounting Surface to

Inner Ring Long Hub Face


FC23

5 -

MB

MB3

5 Se

ries

Med

ium

Dut

y Sp

ring

Loc

king

Bal

l Bea

ring FC235


Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions

Flange Blocks - 13

D G

HP

F - Bolts

N

A M

E - Square

BDistance Between

Bolt HolesL

Mounting Surface to Collar Face

Size Code

Shaft Diameter

Part Number

B Distance Between

Bolt Holes


A D E F G H M N P Approx. Weight

203

1/2 FC425K-12♦● □Δ2 1/8 1 1/8 2 1/16

63/64 3 3/89/64

3/8

1 1/8

3 7/85/16

0.995/8 FC425K-58♦● □Δ

1 13/640.95

11/16 FC425K-1116♦● □Δ 0.93

2043/4 FC425K-34♦● □Δ 2 1/2 1 9/32 2 5/16 1 5/64 3 3/8

3/85/32

3/8 1 3/8 4 13/3213/32 1.30

20.00 FC425K-20♦● □Δ 63.50 32.20 58.70 27.38 85.70 10.00 4.00 9.50 34.90 111.90 10.30 0.60

205

7/8 FC425K-78♦● □Δ2 3/4 1 5/16 2 11/16 1 1/8 3 3/4

7/161/8

7/16 1 9/16 4 29/327/16

1.7115/16 FC425K-1516♦● □Δ 1.681 FC425K1♦● □Δ 1.65

25.00 FC425K-25♦● □Δ 69.85 33.30 68.30 28.58 95.20 10.00 3.20 11.10 39.70 124.60 11.10 0.70

2061 1/8 FC425K1-18♦● □Δ

3 1/4 1 1/2 3 3/16 1 19/64 4 1/47/16

1/81/2

1 13/16

5 19/329/16

2.501 3/16 FC425K1-316♦● □Δ

22.46

1 1/4 FC425K1-14S♦● □Δ 2.42

2071 1/4 FC425K1-14♦● □Δ

3 5/8 1 23/32 3 11/16 1 15/32 4 5/81/2

5/321/2

26 1/8

21/32

3.411 3/8 FC425K1-38♦● □Δ

2 1/43.31

1 7/16 FC425K1-716♦● □Δ 3.26

2081 1/2 FC425K1-12♦● □Δ

4 1 13/16 4 1/16 1 9/16 5 1/41/2

11/649/16 2 1/2 6 25/32

21/324.49

1 5/8 FC425K1-58♦● □Δ 4.3540.00 FC425K-40♦● □Δ 101.60 46.00 103.20 39.67 130.20 12.00 4.40 14.30 63.50 172.20 16.70 2.00

2091 5/8 FC425K1-58L♦● □Δ

4 1/8 1 29/32 4 5/16 1 19/32 5 3/89/16

11/649/16

2 1/2

7 3/3223/32

4.851 11/16 FC425K1-1116♦● □Δ

2 11/164.78

1 3/4 FC425K1-34♦● □Δ 4.70

2101 7/8 FC425K1-78♦● □Δ

4 3/8 1 29/32 4 1/2 1 41/64 5 5/89/16

5/329/16 2 7/8 7 7/16

23/32

5.311 15/16 FC425K1-1516♦● □Δ 5.22

2 FC425K2♦● □Δ 5.13

2112 FC425K2L♦● □Δ

5 1/8 2 5 3/16 1 3/4 6 3/85/8

5/325/8

2 7/8

8 1/211/16

7.532 3/16 FC425K2-316♦● □Δ

3 1/87.23

2 1/4 FC425K2-14♦● □Δ 7.13

2122 1/4 FC425K2-14L♦● □Δ

5 5/8 2 3/32 5 7/16 1 57/64 6 7/85/8

13/6411/16

3 1/8

9 9/3221/32

9.252 3/8 FC425K2-38♦● □Δ

3 3/89.01

2 7/16 FC425K2-716♦● □Δ 8.89215 2 15/16 FC425K2-1516♦● □Δ 6 2 13/32 6 7/16 2 1/8 7 3/4

3/49/32

3/4 3 15/16 10 1/423/32 13.19




other size codes, 1/8” PTLip seals standard♦ Available with E1 viton seals for size codes 212 and smaller♦ Available with TFF viton seals for size codes above 212Available with free running style seals, add suffix ● FF, □ HFF or Δ MHFF for


Add suffix ● FF, □ SFF or Δ MKFF for size codes above 212Selection Guide, see MB Ball Bearing Selection Guide sectionLoad Ratings & Speed Limits, see MB Ball Bearing Load Ratings & Speed Limits sectionNote: Dimensions subject to change. Certified dimensions of ordered



FC425KFC425K - M

B MB25 Series Standard D

uty Centrik-Lok Ball Bearing


Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions

Flange Blocks - 14

Size Code

Shaft Diameter

Part Number

B Distance Between

Bolt Holes

L Mounting Surface


A D E F G H N P Approx. Weight

203

1/2 FC425-12♦● □Δ2 1/8 1 1/8 2 1/16

63/64 3 3/89/64

3/8 3 7/85/16

0.995/8 FC425-58♦● □Δ 0.95

11/16 FC425-1116♦● □Δ 0.93

2043/4 FC425-34♦● □Δ 2 1/2 1 9/32 2 5/16 1 1/8 3 3/8

3/89/64

3/8 4 13/3213/32 1.30

20.00 FC425-20♦● □Δ 63.50 32.20 58.70 28.58 85.70 10.00 3.60 9.50 111.90 10.30 0.60

205

7/8 FC425-78♦● □Δ2 3/4 1 5/16 2 11/16 1 11/64 3 3/4

7/161/8

7/16 4 29/327/16

1.7115/16 FC425-1516♦● □Δ 1.681 FC4251♦● □Δ 1.65

25.00 FC425-25♦● □Δ 69.85 33.30 68.30 29.77 95.20 10.00 3.20 11.10 124.60 11.10 0.70

206

1 1/8 FC4251-18♦● □Δ3 1/4 1 1/2 3 3/16 1 11/32 4 1/4

7/169/64

1/2 5 19/329/16

2.501 3/16 FC4251-316♦● □Δ 2.461 1/4 FC4251-14S♦● □Δ 2.42

30.00 FC425-30♦● □Δ 82.55 38.10 81.00 34.14 108.00 10.00 3.60 12.70 142.10 14.30 1.10

207

1 1/4 FC4251-14♦● □Δ3 5/8 1 23/32 3 11/16 1 9/16 4 5/8

1/29/64

1/2 6 1/821/32

3.411 3/8 FC4251-38♦● □Δ 3.311 7/16 FC4251-716♦● □Δ 3.2635.00 FC425-35♦● □Δ 92.08 43.70 93.70 39.67 117.50 12.00 3.60 12.70 155.60 16.70 1.50

2081 1/2 FC4251-12♦● □Δ

4 1 13/16 4 1/16 1 21/32 5 1/41/2

5/329/16 6 25/32

21/324.49

1 5/8 FC4251-58♦● □Δ 4.3540.00 FC425-40♦● □Δ 101.60 46.00 103.20 42.06 130.20 12.00 4.00 14.30 172.20 16.70 2.00

2091 5/8 FC4251-58L♦● □Δ

4 1/8 1 29/32 4 5/16 1 49/64 5 3/89/16

1/89/16 7 3/32

23/32

4.851 11/16 FC4251-1116♦● □Δ 4.781 3/4 FC4251-34♦● □Δ 4.70

2101 7/8 FC4251-78♦● □Δ

4 3/8 1 29/32 4 1/2 1 13/16 5 5/89/16

7/649/16 7 7/16

23/32

5.311 15/16 FC4251-1516♦● □Δ 5.22

2 FC4252♦● □Δ 5.13

2112 FC4252L♦● □Δ

5 1/8 2 5 3/16 1 13/16 6 3/85/8

11/645/8 8 1/2

11/16

7.532 3/16 FC4252-316♦● □Δ 7.232 1/4 FC4252-14♦● □Δ 7.13

2122 1/4 FC4252-14L♦● □Δ

5 5/8 2 3/32 5 7/16 1 57/64 6 7/85/8

13/6411/16 9 9/32

21/32

9.252 3/8 FC4252-38♦● □Δ 9.012 7/16 FC4252-716♦● □Δ 8.89

215 2 15/16 FC4252-1516♦● □Δ 6 2 13/32 6 7/16 2 17/64 7 3/43/4

1/83/4 10 1/4

23/32 13.19

Corrosion resistant powder coatingCast iron housingBroad range of sealing optionsSpring locking setscrew mountAlignable & relubricatableSee Features & Benefits for additional info

4-Bo

lt Fl

ange

d Bl

ock

D G

HP

F - Bolts

E - Square

N

A

BDistance Between

Bolt HolesL



FC42

5 -

MB

MB2

5 Se

ries

Sta

ndar

d D

uty

Spri

ng L

ocki

ng B

all B

eari

ng FC425

Please call 1-866-REXNORD for availabilityLubrication fitting tap size: for size code 203, 1/4”-28 UNF: for all

other size codes, 1/8” PTLip seals standard♦ Available with E1 viton seals for size codes 212 and smaller♦ Available with TFF viton seals for size codes above 212Available with free running style seals, add suffix ● FF, □ HFF or Δ MHFF for






Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions

Flange Blocks - 15

Size Code

Shaft Diameter

Part Number

B Distance Between

Bolt Holes


A D E F G H M N P Approx. Weight

206 1 FC435K1♦●□Δ 3 1/4 1 1/2 3 3/16 1 19/64 4 1/47/16

1/81/2 1 13/16 5 19/32

9/16 2.54207 1 3/16 FC435K1-316♦●□Δ 3 5/8 1 23/32 3 11/16 1 15/32 4 5/8

1/25/32

1/2 2 6 1/821/32 3.32

208 1 7/16 FC435K1-716♦●□Δ 4 1 13/16 4 1/16 1 9/16 5 1/41/2

11/649/16 2 1/4 6 25/32

21/32 4.55209 1 1/2 FC435K1-12♦●□Δ 4 1/8 1 29/32 4 5/16 1 19/32 5 3/8

9/1611/64

9/16 2 1/2 7 3/3223/32 5.03

2101 11/16 FC435K1-1116♦●□Δ

4 3/8 1 29/32 4 1/2 1 41/64 5 5/89/16

5/329/16 2 3/4 7 7/16

23/32 5.591 3/4 FC435K1-34♦●□Δ

2111 15/16 FC435K1-1516♦●□Δ

5 1/8 2 5 3/16 1 3/4 6 3/85/8

5/325/8 2 7/8 8 1/2

11/16 7.692 FC435K2♦●□Δ

212 2 3/16 FC435K2-316♦●□Δ 5 5/8 2 3/32 5 7/16 1 57/64 6 7/85/8

13/6411/16 3 1/8 9 9/32

21/32 9.34

2142 7/16 FC435K2-716●□Δ♦

5 7/8 2 3/8 6 1/8 2 5/64 7 3/85/8

19/6411/16 3 3/4 9 13/16

23/32 12.272 1/2 FC435K2-12●□Δ♦

215 2 11/16 FC435K2-1116●□Δ♦ 6 2 13/32 6 7/16 2 1/8 7 3/43/4

9/323/4 3 15/16 10 1/4

23/32 13.75

2162 15/16 FC435K2-1516●□Δ♦

6 2 17/32 6 3/4 2 3/16 7 3/43/4

21/6413/16 4 3/16 10 1/4

11/16 15.253 FC435K3●□Δ♦

2183 3/16 FC435K3-316●□Δ♦

6 3/4 2 47/64 7 3/4 2 23/64 8 7/163/4

3/815/16 4 13/16 11 1/4

11/16 21.103 7/16 FC435K3-716●□Δ♦3 1/2 FC435K3-12●□Δ♦



Please call 1-866-REXNORD for availabilityLubrication fitting tap size, 1/8” PTLip seals standard♦ Available with E1 viton seals for size codes 212 and smaller♦ Available with TFF viton seals for size codes above 212Available with free running style seals, add suffix ● FF, □ HFF or Δ MHFF for

size codes 212 and smallerAdd suffix ● FF, □ SFF or Δ MKFF for size codes above 212

Selection Guide, see MB Ball Bearing Selection Guide sectionLoad Ratings & Speed Limits, see MB Ball Bearing Load



D G

HP

F - Bolts

N

A M

E - Square

BDistance Between

Bolt HolesL

Mounting Surface to Collar Face


FC435K - MB M

B35 Series Medium


FC435K


Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions

Flange Blocks - 16

D G

HP

F - Bolts

N

A

E - Square

BDistance Between

Bolt HolesL


Size Code

Shaft Diameter

Part Number

B Distance Between

Bolt Holes

L Mounting Surface


A D E F G H N P Approx. Weight

206 1 FC4351♦●□Δ 3 1/4 1 1/2 3 3/16 1 11/32 4 1/47/16

9/641/2 5 19/32

9/16 2.58207 1 3/16 FC4351-316♦●□Δ 3 5/8 1 23/32 3 11/16 1 9/16 4 5/8

1/29/64

1/2 6 1/821/32 3.32

208 1 7/16 FC4351-716♦●□Δ 4 1 13/16 4 1/16 1 21/32 5 1/41/2

5/329/16 6 25/32

21/32 4.55209 1 1/2 FC4351-12♦●□Δ 4 1/8 1 29/32 4 5/16 1 49/64 5 3/8

1/21/8

9/16 7 3/3223/32 5.03

2101 11/16 FC4351-1116♦●□Δ

4 3/8 1 29/32 4 1/2 1 13/16 5 5/89/16

7/649/16 7 7/16

23/32 5.591 3/4 FC4351-34♦●□Δ

2111 15/16 FC4351-1516♦●□Δ

5 1/8 2 5 3/16 1 13/16 6 3/85/8

11/645/8 8 1/2

11/16 7.692 FC4352♦●□Δ

212 2 3/16 FC4352-316♦●□Δ 5 5/8 2 3/32 5 7/16 1 57/64 6 7/85/8

13/6411/16 9 9/32

21/32 9.34

2142 7/16 FC4352-716●□Δ♦

5 7/8 2 3/8 6 1/8 2 15/64 7 3/85/8

1/811/16 9 13/16

23/32 12.272 1/2 FC4352-12●□Δ♦

215 2 11/16 FC4352-1116●□Δ♦ 6 2 13/32 6 7/16 2 17/64 7 3/43/4

1/83/4 10 1/4

23/32 13.75

2162 15/16 FC4352-1516●□Δ♦

6 2 17/32 6 3/4 2 23/64 7 3/43/4

11/6413/16 10 1/4

11/16 15.253 FC4353●□Δ♦

2183 3/16 FC4353-316●□Δ♦

6 3/4 2 47/64 7 3/4 2 33/64 8 7/163/4

7/3215/16 11 1/4

21/32 21.103 7/16 FC4353-716●□Δ♦3 1/2 FC4353-12●□Δ♦


4-Bo

lt Fl

ange

d Bl

ock




Selection Guide, see MB Ball Bearing Selection Guide sectionNote: Dimensions subject to change. Certified dimensions of ordered



FC43

5 -

MB

MB3

5 Se

ries

Med

ium

Dut

y Sp

ring

Loc

king

Bal

l Bea

ring FC435


Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions

Flange Blocks - 17

Size Code

Shaft Diameter

Part Number

B Centerline

to Bolt Hole Centers

C Bolt Hole Center to

Bolt Center

L Mounting Surface


U Distance Between

Bolt Holes

A D E F G H K N P Approx. Weight

2043/4 MFB25-34♦● □Δ 1 11/16

7/8 1 3/8 1 1/2 2 1/2 1 1/8 2 3/83/8

1/45/16 3 4 1/4

25/64 1.4420.00 MFB25-20♦● □Δ 42.90 22.20 34.90 38.10 63.50 28.58 60.30 10.00 6.40 7.90 76.20 108.00 9.90 0.60

205

7/8 MFB25-78♦● □Δ1 13/16 1 1/8 1 17/32 1 5/8 2 3/4 1 11/64 2 1/2

3/823/64

3/8 3 3/8 4 3/427/64 1.8015/16 MFB25-1516♦● □Δ

1 MFB251♦● □Δ25.00 MFB25-25♦● □Δ 46.00 28.60 38.90 41.30 69.80 29.77 63.50 10.00 9.10 9.50 85.70 120.60 10.70 0.80

206

1 1/8 MFB251-18♦● □Δ2 1/16 1 1/4 1 43/64 1 7/8 3 1/4 1 11/32 2 3/4

3/817/64

3/8 3 3/4 5 3/835/64 2.101 3/16 MFB251-316♦● □Δ

1 1/4 MFB251-14S♦● □Δ30.00 MFB25-30♦● □Δ 52.30 31.80 42.50 47.60 82.60 34.14 69.80 10.00 6.80 9.50 95.20 136.50 13.90 0.90

207

1 1/4 MFB251-14♦● □Δ2 3/8 1 1/4 1 61/64 2 3 3/4 1 9/16 3 11/32

1/225/64

1/2 4 1/4 6 1/841/64 3.451 3/8 MFB251-38♦● □Δ

1 7/16 MFB251-716♦● □Δ35.00 MFB25-35♦● □Δ 60.30 31.80 49.60 50.80 95.20 39.67 85.30 12.00 9.90 12.70 108.00 155.60 16.30 1.50


Flanged Bracket Block





Photo Shows a 3-Bolt Ball Bearing Flanged Bracket Unit

A LMounting Surface


P

E

UDistance Between

Bolt Holes

H

F - Bolts

BCenterline

to Bolt HoleCenters

C

CBolt HoleCenter to

Bolt Center

K

N

45°

D G

MFB25 - M


uty Spring Locking Ball BearingMFB25


Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions

Flange Blocks - 18

D

H

M

G1

UC

G

F - Bolts

APilot

Diameter

LMounting Surface to Coller Face

BBolt Hole

Circle Diameter

Size Code

Shaft Diameter

Part Number

A Pilot

Diameter

B Bolt Hole

Circle Diameter


C D F G & G1 H M U Approx. Weight

2071 1/4 PFC425K1-14♦● □Δ

3.375 4 1/8 1 33/64 5 1 15/327/16

11/647/8

23/8

3.131 3/8 PFC425K1-38♦● □Δ

2 1/43.03

1 7/16 PFC425K1-716♦● □Δ 2.97

2081 1/2 PFC425K1-12♦● □Δ

3.625 4 3/8 1 17/32 5 1/4 1 9/167/16

5/327/8 2 1/2

7/163.63

1 5/8 PFC425K1-58♦● □Δ 3.49

2091 5/8 PFC425K1-58L♦● □Δ

3.625 4 3/8 1 37/64 5 1/4 1 19/327/16

11/647/8

2 1/27/16

3.761 11/16 PFC425K1-1116♦● □Δ

2 11/163.66

1 3/4 PFC425K1-34♦● □Δ 3.59

2101 7/8 PFC425K1-78♦● □Δ

4.250 5 1/8 1 19/32 6 1/8 1 41/641/2

11/647/8 2 7/8

15/32

4.971 15/16 PFC425K1-1516♦● □Δ 4.88

2 PFC425K2♦● □Δ 4.79

2112 PFC425K2L♦● □Δ

4.500 5 3/8 1 35/64 6 3/8 1 3/41/2

15/647/8

2 7/85/8

5.872 3/16 PFC425K2-316♦● □Δ

3 1/85.57

2 1/4 PFC425K2-14♦● □Δ 5.47

2122 1/4 PFC425K2-14L♦● □Δ

5.000 6 1 11/16 7 1/8 1 57/649/16

37/64 13 1/8

7/8

8.402 3/8 PFC425K2-38♦● □Δ

3 3/88.16

2 7/16 PFC425K2-716♦● □Δ 8.04215 2 15/16 PFC425K2-1516♦● □Δ 6.375 7 1/2 1 23/32 8 3/4 2 1/8

5/81/4 1 3 15/16 1 13.44


Please call 1-866-REXNORD for availabilityLubrication fitting tap size, 1/8” PTPilot Diameter tolerance, +.000”/-.002” (+0.00mm/-0.05mm)Bore tolerance for mounting, +.002”/-.000” (+0.05mm/-0.00mm)For size codes 207 & 212, use the G dimension; for all other size codes use G1Lip seals standard♦ Available with E1 viton seals for size codes 212 and smaller♦ Available with TFF viton seals for size codes above 212





Flan

ged

Cart

ridg

e Bl

ock

Photo Shows a 4-Bolt Ball Bearing Flanged Cartridge Unit

PFC4

25K

- M

B M

B25

Seri

es S

tand

ard

Dut

y Ce

ntri

k-Lo

k Ba

ll Be

arin

g PFC425K


Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions

Flange Blocks - 19

Size Code

Shaft Diameter

Part Number

A Pilot

Diameter

B Bolt Hole

Circle Diameter

L Mounting Surface


C D F G H U Approx. Weight

207

1 1/4 PFC4251-14♦● □Δ3.375 4 1/8 1 33/64 5 1 9/16

7/1617/64

7/83/8

3.131 3/8 PFC4251-38♦● □Δ 3.031 7/16 PFC4251-716♦● □Δ 2.9735.00 PFC425-35♦● □Δ 85.720 104.78 38.50 127.00 39.67 10.00 6.80 22.20 9.50 1.40

2081 1/2 PFC4251-12♦● □Δ

3.625 4 3/8 1 17/32 5 1/4 1 21/327/16

1/47/8

7/163.63

1 5/8 PFC4251-58♦● □Δ 3.4940.00 PFC425-40♦● □Δ 92.080 111.12 38.90 133.40 42.06 10.00 6.40 22.20 11.10 1.60

2091 5/8 PFC4251-58L♦● □Δ

3.625 4 3/8 1 37/64 5 1/4 1 49/647/16

3/167/8

7/16

3.761 11/16 PFC4251-1116♦● □Δ 3.661 3/4 PFC4251-34♦● □Δ 3.59

2101 7/8 PFC4251-78♦● □Δ

4.250 5 1/8 1 19/32 6 1/8 1 13/161/2

13/647/8

15/32

4.971 15/16 PFC4251-1516♦● □Δ 4.88

2 PFC4252♦● □Δ 4.79

2112 PFC4252L♦● □Δ

4.500 5 3/8 1 35/64 6 3/8 1 13/161/2

19/647/8

5/8

5.872 3/16 PFC4252-316♦● □Δ 5.572 1/4 PFC4252-14♦● □Δ 5.47

2122 1/4 PFC4252-14L♦● □Δ

5.000 6 1 11/16 7 1/8 1 57/649/16

37/64 1 7/8

8.402 3/8 PFC4252-38♦● □Δ 8.162 7/16 PFC4252-716♦● □Δ 8.04

215 2 15/16 PFC4252-1516♦● □Δ 6.375 7 1/2 1 23/32 8 3/4 2 17/645/8

25/64 1 1 13.44


Flanged Cartridge Block

D G

APilot

Diameter

LMounting

Surfaceto Inner

Ring LongHub Face

U

HF - Bolts

C

BBolt Hole

Circle Diameter


PFC425 - MB M


PFC425

Please call 1-866-REXNORD for availabilityLubrication fitting tap size, 1/8” PTPilot Diameter tolerance, +.000”/-.002” (+0.00mm/-0.05mm)Bore tolerance for mounting, +.002”/-.000” (+0.05mm/-0.00mm)Lip seals standard♦ Available with E1 viton seals for size codes 212 and smaller♦ Available with TFF viton seals for size codes above 212Add suffix ● FF, □ SFF or Δ MKFF for size codes above 212






Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions

Flange Blocks - 20

D

H

M

G1

UC

G

F - Bolts

APilot

Diameter

LMounting

Surfaceto Collar Face

BBolt Hole

Circle Diameter

Size Code

Shaft Diameter

Part Number

A Pilot

Diameter

B Bolt Hole

Circle Diameter



207 1 3/16 PFC435K1-316♦●□Δ 3.375 4 1/8 1 33/64 5 1 15/327/16

11/647/8 2 3/8 3.14

208 1 7/16 PFC435K1-716♦●□Δ 3.625 4 3/8 1 17/32 5 1/4 1 9/167/16

5/327/8 2 1/4

7/16 3.69209 1 1/2 PFC435K1-12♦●□Δ 3.625 4 3/8 1 37/64 5 1/4 1 19/32

7/1611/64

7/8 2 1/27/16 3.85

2101 11/16 PFC435K1-1116♦●□Δ

4.250 5 1/8 1 19/32 6 1/8 1 41/641/2

11/647/8 2 3/4

15/32 5.721 3/4 PFC435K1-34♦●□Δ

211 1 15/16 PFC435K1-1516♦●□Δ 4.500 5 3/8 1 35/64 6 3/8 1 3/41/2

15/647/8 2 7/8

5/8 5.96212 2 3/16 PFC435K2-316♦●□Δ 5.000 6 1 11/64 7 1/8 1 57/64

9/1637/64 1 3 1/8 1 8.52

2142 7/16 PFC435K2-716♦●□Δ

5.500 6 1/2 1 23/32 7 5/8 2 5/649/16

1/4 1 3 3/4 1 10.272 1/2 PFC435K2-12♦●□Δ

215 2 11/16 PFC435K2-1116♦●□Δ 6.375 7 1/2 1 23/32 8 3/4 2 1/85/8

1/4 1 3 15/16 1 14.07

2162 15/16 PFC435K2-1516♦●□Δ

6.375 7 1/2 1 11/16 8 3/4 2 3/165/8

11/64 1 1/8 4 3/16 1 14.283 PFC435K3♦●□Δ

2183 3/16 PFC435K3-316♦●□Δ

7.375 8 5/8 1 51/64 10 1/4 2 23/643/4

5/32 1 1/8 4 13/16 1 1/8 21.903 7/16 PFC435K3-716♦●□Δ3 1/2 PFC435K3-12♦●□Δ


Flan

ged

Cart

ridg

e Bl

ock


PFC4

35K

- M

B M

B35

Seri

es M

ediu

m D

uty

Cent

rik-

Lok

Ball

Bear

ing PFC435K

Please call 1-866-REXNORD for availabilityLubrication fitting tap size, 1/8” PTPilot Diameter tolerance, +.000”/-.002” (+0.00mm/-0.05mm)Bore tolerance for mounting, +.002”/-.000” (+0.05mm/-0.00mm)For size codes 207 & 212, use the G dimension; for all other size codes use G1Lip seals standard♦ Available with E1 viton seals for size codes 212 and smaller♦ Available with TFF viton seals for size codes above 212






Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions

Flange Blocks - 21

Size Code

Shaft Diameter

Part Number

A Pilot

Diameter

B Bolt Hole

Circle Diameter



207 1 3/16 PFC435K1-316♦●□Δ 3.375 4 1/8 1 33/64 5 1 15/327/16

11/647/8 2 3/8 3.14

208 1 7/16 PFC435K1-716♦●□Δ 3.625 4 3/8 1 17/32 5 1/4 1 9/167/16

5/327/8 2 1/4

7/16 3.69209 1 1/2 PFC435K1-12♦●□Δ 3.625 4 3/8 1 37/64 5 1/4 1 19/32

7/1611/64

7/8 2 1/27/16 3.85

2101 11/16 PFC435K1-1116♦●□Δ

4.250 5 1/8 1 19/32 6 1/8 1 41/641/2

11/647/8 2 3/4

15/32 5.721 3/4 PFC435K1-34♦●□Δ

211 1 15/16 PFC435K1-1516♦●□Δ 4.500 5 3/8 1 35/64 6 3/8 1 3/41/2

15/647/8 2 7/8

5/8 5.96212 2 3/16 PFC435K2-316♦●□Δ 5.000 6 1 11/64 7 1/8 1 57/64

9/1637/64 1 3 1/8 1 8.52

2142 7/16 PFC435K2-716♦●□Δ

5.500 6 1/2 1 23/32 7 5/8 2 5/649/16

1/4 1 3 3/4 1 10.272 1/2 PFC435K2-12♦●□Δ

215 2 11/16 PFC435K2-1116♦●□Δ 6.375 7 1/2 1 23/32 8 3/4 2 1/85/8

1/4 1 3 15/16 1 14.07

2162 15/16 PFC435K2-1516♦●□Δ

6.375 7 1/2 1 11/16 8 3/4 2 3/165/8

11/64 1 1/8 4 3/16 1 14.283 PFC435K3♦●□Δ

2183 3/16 PFC435K3-316♦●□Δ

7.375 8 5/8 1 51/64 10 1/4 2 23/643/4

5/32 1 1/8 4 13/16 1 1/8 21.903 7/16 PFC435K3-716♦●□Δ3 1/2 PFC435K3-12♦●□Δ

Size Code

Shaft Diameter

Part Number

A Pilot

Diameter

B Bolt Hole

Circle Diameter

L Mounting Surface


C D F G H U Approx. Weight

207 1 3/16 PFC4351-316♦●□Δ 3.375 4 1/8 1 33/64 5 1 9/167/16

17/647/8

3/8 3.14208 1 7/16 PFC4351-716♦●□Δ 3.625 4 3/8 1 17/32 5 1/4 1 21/32

7/161/4

7/87/16 3.69

209 1 1/2 PFC4351-12♦●□Δ 3.625 4 3/8 1 37/64 5 1/4 1 49/647/16

3/167/8

7/16 3.85

2101 11/16 PFC4351-1116♦●□Δ

4.250 5 1/8 1 19/32 6 1/8 1 13/161/2

13/647/8

15/32 5.721 3/4 PFC4351-34♦●□Δ

2111 15/16 PFC4351-1516♦●□Δ

4.500 5 3/8 1 35/64 6 3/8 1 13/161/2

19/647/8

5/8 5.962 PFC4352♦●□Δ

212 2 3/16 PFC4352-316♦●□Δ 5.000 6 1 11/64 7 1/8 1 57/649/16

37/64 1 1 8.52

2142 7/16 PFC4352-716♦●□Δ

5.500 6 1/2 1 23/32 7 5/8 2 15/649/16

27/64 1 1 10.272 1/2 PFC4352-12♦●□Δ

215 2 11/16 PFC4352-1116♦●□Δ 6.375 7 1/2 1 23/32 8 3/4 2 17/645/8

25/64 1 1 14.07

2162 15/16 PFC4352-1516♦●□Δ

6.375 7 1/2 1 11/16 8 3/4 2 23/645/8

21/64 1 1/8 1 13.923 PFC4353♦●□Δ

2183 3/16 PFC4353-316♦●□Δ

7.375 8 5/8 1 51/64 10 1/4 2 33/643/4

25/64 1 1/8 1 1/8 21.503 7/16 PFC4353-716♦●□Δ3 1/2 PFC4353-12♦●□Δ


Flanged Cartridge Block

Please call 1-866-REXNORD for availabilityLubrication fitting tap size, 1/8” PTPilot Diameter tolerance, +.000”/-.002” (+0.00mm/-0.05mm)Bore tolerance for mounting, +.002”/-.000” (+0.05mm/-0.00mm)Lip seals standard♦ Available with E1 viton seals for size codes 212 and smaller♦ Available with TFF viton seals for size codes above 212





D G

U

HF - Bolts

C

APilot

Diameter

LMounting

Surfaceto Inner

Ring LongHub Face

BBolt Hole

Circle Diameter


PFC435 - MB M

B35 Series Medium

Duty Spring Locking Ball Bearing

PFC435


Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions

Flange Blocks - 22

F - Bolt

G Hole Dia.to Clear

Bolt Shank

VMin.

FrameOpening

KH

S

D

E

NB

Distance Between

Bolt Holes



Size Code

Shaft Diameter

Part Number

B Distance Between

Bolt Holes

F Bolt G Hole Dia. to Clear

Bolt Shank

L Mounting Surface


V Frame

OpeningD E H K N

S Carriage Bolt Radial Load

Rating

Approx. WeightHole

SizeBolt Size Short

ShankLong Shank

203

1/2 FPS225-12♦● □Δ2 1/2

9/321/4

13/3223/32 1 15/16

63/64 2 5/16 0.075 9/32 3 3/16 0.006 0.100 6000.44

5/8 FPS225-58♦● □Δ 0.4011/16 FPS225-1116♦● □Δ 0.38

2043/4 FPS225-34♦● □Δ 2 13/16

11/325/16

1/253/64 2 3/16 1 1/8 2 5/8 0.083 5/16 3 9/16 0.021 0.115 700 0.57

20.00 FPS225-20♦● □Δ 71.40 8.730 5/16 12.70 21.00 55.60 28.58 66.70 2.110 7.90 90.50 0.021 0.115 3,110 0.30

205

7/8 FPS225-78♦● □Δ3 11/32

5/161/2

7/8 2 3/8 1 11/64 2 61/64 0.083 11/32 3 3/4 0.021 0.115 8000.73

15/16 FPS225-1516♦● □Δ 0.701 FPS2251♦● □Δ 0.67

25.00 FPS225-25♦● □Δ 76.20 8.730 5/16 12.70 22.20 60.30 29.77 71.00 2.110 8.70 95.20 0.021 0.115 3,560 0.30

206

1 1/8 FPS2251-18♦● □Δ3 9/16

13/323/8

19/32 1 1/16 2 13/16 1 11/32 3 5/16 0.104 11/32 4 7/16 0.011 0.104 1,1001.07

1 3/16 FPS2251-316♦● □Δ 1.041 1/4 FPS2251-14S♦● □Δ 1.01

30.00 FPS225-30♦● □Δ 90.50 10.320 3/8 15.10 27.00 71.40 34.14 84.10 2.640 8.70 112.70 0.011 0.104 4,890 0.50

2-piece formed steel housingSpring locking setscrew mountAlignable & non-relubricatable2-bolt carriage mountingSee Features & Benefits for additional info.

Stam

ped

Stee

l Fla

nged

Blo

ck

Photo Shows a 2-Bolt Ball Bearing Flanged Unit with Stamped Steel Housing

FPS2

25 -

MB

MB2

5 Se

ries

Spr

ing

Lock

ing

Ball

Bear

ing FPS225

Please call 1-866-REXNORD for availabilityLip seals standard♦ Available with E1 viton sealsAvailable with free running style seals, add suffix ● FF, □ HFF or Δ MHFFSelection Guide, see MB Ball Bearing Selection Guide sectionLoad Ratings & Speed Limits, see MB Ball Bearing Load




Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions

Flange Blocks - 23

Size Code

Shaft Diameter

Part Number

B Distance Between

Bolt Holes

F Bolt G Hole Dia. to Clear

Bolt Shank

L Mounting Surface


V Frame

OpeningD E H K N

S Carriage Bolt Radial Load

Rating

Approx. WeightHole

SizeBolt Size Short

ShankLong Shank

203

1/2 FPS225-12♦● □Δ2 1/2

9/321/4

13/3223/32 1 15/16

63/64 2 5/16 0.075 9/32 3 3/16 0.006 0.100 6000.44

5/8 FPS225-58♦● □Δ 0.4011/16 FPS225-1116♦● □Δ 0.38

2043/4 FPS225-34♦● □Δ 2 13/16

11/325/16

1/253/64 2 3/16 1 1/8 2 5/8 0.083 5/16 3 9/16 0.021 0.115 700 0.57

20.00 FPS225-20♦● □Δ 71.40 8.730 5/16 12.70 21.00 55.60 28.58 66.70 2.110 7.90 90.50 0.021 0.115 3,110 0.30

205

7/8 FPS225-78♦● □Δ3 11/32

5/161/2

7/8 2 3/8 1 11/64 2 61/64 0.083 11/32 3 3/4 0.021 0.115 8000.73

15/16 FPS225-1516♦● □Δ 0.701 FPS2251♦● □Δ 0.67

25.00 FPS225-25♦● □Δ 76.20 8.730 5/16 12.70 22.20 60.30 29.77 71.00 2.110 8.70 95.20 0.021 0.115 3,560 0.30

206

1 1/8 FPS2251-18♦● □Δ3 9/16

13/323/8

19/32 1 1/16 2 13/16 1 11/32 3 5/16 0.104 11/32 4 7/16 0.011 0.104 1,1001.07

1 3/16 FPS2251-316♦● □Δ 1.041 1/4 FPS2251-14S♦● □Δ 1.01

30.00 FPS225-30♦● □Δ 90.50 10.320 3/8 15.10 27.00 71.40 34.14 84.10 2.640 8.70 112.70 0.011 0.104 4,890 0.50

2-piece formed steel housingOptional Mounting FeatureRubber mounted bearing insertAlignable & non-relubricatable2-bolt carriage mountingSee Features & Benefits for additional info.

Rubber M

ounted Flanged Block




Photo Shows a 2-Bolt Ball Bearing Flanged Unit with Rubber Mounted Housing

N

E

U U

F - Bolts

D

HK K

H

D

FPSR2 FPSR2-K

M

BDistance BetweenBolt Holes



FPSR2, FPSR

2-K - MB ER

Adapter Series Spring Locking Ball BearingFPSR2, FPSR2-K

Size Code

Shaft Diameter

Centrik-Lok Setscrew B Distance Between

Bolt Holes

L Mounting Surface


D E F H K M N URadial Load

Rating

Approx. WeightPart

Number Part

Number

204

1/2 FPSR2-12K♦● □Δ FPSR2-12♦● □Δ3 5/8 1 3/8 1 7/32 2 45/64

3/81/16 1 1/16

1 1/8

4 1/213/16 200

0.735/8 FPSR2-58K♦● □Δ FPSR2-58♦● □Δ 1 13/64 0.693/4 FPSR2-34K♦● □Δ FPSR2-34♦● □Δ 1 3/8 0.65

20.00 - FPSR2-204♦● □Δ 92.10 34.90 30.96 68.70 10.00 1.57 27.00 - 114.30 20.60 890 0.30

205

7/8 FPSR2-78K♦● □Δ FPSR2-78♦● □Δ3 5/8 1 25/64 1 3/8 2 45/64

3/81/16 1 1/16 1 9/16 4 1/2

55/64 2500.78

15/16 FPSR2-1516K♦● □Δ FPSR2-1516♦● □Δ 0.761 FPSR21K♦● □Δ FPSR21♦● □Δ 0.74

25.00 FPSR2-205K♦● □Δ FPSR2-205♦● □Δ 92.10 35.30 34.92 68.70 10.00 1.57 27.00 39.70 114.30 21.80 1,110 0.30

206

1 1/8 FPSR21-18K♦● □Δ FPSR21-18♦● □Δ4 3/8 1 5/8 1 1/2 3 1/2

7/161/16 1 1/4

1 13/16

5 3/829/32 300

1.471 3/16 FPSR21-316K♦● □Δ FPSR21-316♦● □Δ

21.42

1 1/4 FPSR21-14SK♦● □Δ FPSR21-14S♦● □Δ 1.3630.00 FPSR2-206K♦● □Δ FPSR2-206♦● □Δ 111.10 41.30 38.10 88.90 10.00 1.57 31.80 50.80 136.50 23.00 1,330 0.60


Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions

Flange Blocks - 24

Size Code

Shaft Diameter

Part Number

B Distance Between

Bolt Holes

F L Mounting Surface to Inner Ring

G Hole Dia.to Clear

Bolt Shank

V Frame

OpeningC D H J K

S Carriage Bolt

T YRadial Load

Rating

Approx. WeightBolt

SizeHole Size Short

ShankLong Shank

2043/4 TFPS325-34♦● □Δ 2 13/16

5/1611/32

53/641/2 2 3/16 3 9/16 1 1/8 0.083 3 5/16 0.021 0.115 1 1/16 1 5/16 700 0.63

20.00 TFPS325-20♦● □Δ 71.40 5/16 8.730 21.00 12.70 55.60 90.50 28.58 2.110 76.20 7.90 0.021 0.115 27.00 33.30 3,110 0.30

205

7/8 TFPS325-78♦● □Δ3 5/16

11/327/8

1/2 2 3/8 3 3/4 1 11/64 0.083 3 5/3211/32 0.021 0.115 1 7/64 1 3/8 800

0.7915/16 TFPS325-1516♦● □Δ 0.761 TFPS3251♦● □Δ 0.73

25.00 TFPS325-25♦● □Δ 76.20 5/16 8.730 22.20 12.70 60.30 95.20 29.77 2.110 80.20 8.70 0.021 0.115 28.20 34.90 3,560 0.30

206

1 1/8 TFPS3251-18♦● □Δ3 9/16

3/813/32 1 1/16

19/32 2 13/16 4 7/16 1 11/32 0.104 3 11/1611/32 0.011 0.104 31/32 1 1/2 1,100

1.081 3/16 TFPS3251-316♦● □Δ 1.051 1/4 TFPS3251-14S♦● □Δ 1.02

30.00 TFPS325-30♦● □Δ 90.50 3/8 10.320 27.00 15.10 71.40 112.70 34.14 2.640 93.70 8.70 0.011 0.104 24.60 38.10 4,890 0.50





Form

ed S

teel

Fla

nged

Blo

ck

BDistance Between

Bolt Holes

T

D

F - Bolts

C

30° 30°Y

J



VMin.

FrameOpening

G Hole Dia.to Clear

Bolt ShankK

HS


TFPS

325

- M

B M

B25

Seri

es S

tand

ard

Dut

y Sp

ring

Loc

king

Bal

l Bea

ring TFPS325


Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions

Flange Blocks - 25

Size Code

Shaft Diameter

Part Number

B Distance Between

Bolt Holes

F L Mounting Surface to Inner Ring

G Hole Dia.to Clear

Bolt Shank

V Frame

OpeningC D H J K

S Carriage Bolt

T YRadial Load

Rating

Approx. WeightBolt

SizeHole Size Short

ShankLong Shank

2043/4 TFPS325-34♦● □Δ 2 13/16

5/1611/32

53/641/2 2 3/16 3 9/16 1 1/8 0.083 3 5/16 0.021 0.115 1 1/16 1 5/16 700 0.63

20.00 TFPS325-20♦● □Δ 71.40 5/16 8.730 21.00 12.70 55.60 90.50 28.58 2.110 76.20 7.90 0.021 0.115 27.00 33.30 3,110 0.30

205

7/8 TFPS325-78♦● □Δ3 5/16

11/327/8

1/2 2 3/8 3 3/4 1 11/64 0.083 3 5/3211/32 0.021 0.115 1 7/64 1 3/8 800

0.7915/16 TFPS325-1516♦● □Δ 0.761 TFPS3251♦● □Δ 0.73

25.00 TFPS325-25♦● □Δ 76.20 5/16 8.730 22.20 12.70 60.30 95.20 29.77 2.110 80.20 8.70 0.021 0.115 28.20 34.90 3,560 0.30

206

1 1/8 TFPS3251-18♦● □Δ3 9/16

3/813/32 1 1/16

19/32 2 13/16 4 7/16 1 11/32 0.104 3 11/1611/32 0.011 0.104 31/32 1 1/2 1,100

1.081 3/16 TFPS3251-316♦● □Δ 1.051 1/4 TFPS3251-14S♦● □Δ 1.02

30.00 TFPS325-30♦● □Δ 90.50 3/8 10.320 27.00 15.10 71.40 112.70 34.14 2.640 93.70 8.70 0.011 0.104 24.60 38.10 4,890 0.50

Size Code

Shaft Diameter

Part Number

B Distance Between

Bolt Holes

F G Hole Dia. to Clear

Bolt Shank

L Mounting Surface


V Frame

OpeningC D H K

Carriage Bolt Radial Load

Rating

Approx. WeightHole

SizeBolt Size Short

ShankLong Shank

203

1/2 FPS325-12♦● □Δ2 1/2

9/321/4

13/3223/32 1 15/16 3 3/16

63/64 0.075 9/32 0.006 0.100 6000.50

5/8 FPS325-58♦● □Δ 0.4611/16 FPS325-1116♦● □Δ 0.44

2043/4 FPS325-34♦● □Δ 2 13/16

11/325/16

1/253/64 2 3/16 3 9/16 1 1/8 0.083 5/16 0.021 0.115 700 0.76

20.00 FPS325-20♦● □Δ 71.40 8.730 5/16 12.70 21.00 55.60 90.50 28.58 2.110 7.90 0.021 0.115 3,110 0.30

205

7/8 FPS325-78♦● □Δ3 11/32

5/161/2

7/8 2 3/8 3 3/4 1 11/64 0.083 11/32 0.021 0.115 8000.93

15/16 FPS325-1516♦● □Δ 0.901 FPS3251♦● □Δ 0.87

25.00 FPS325-25♦● □Δ 76.20 8.730 5/16 12.70 22.20 60.30 95.20 29.77 2.110 8.70 0.021 0.115 3,560 0.40

206

1 1/8 FPS3251-18♦● □Δ3 9/16

13/323/8

19/32 1 1/16 2 13/16 4 7/16 1 11/32 0.104 11/32 0.011 0.104 1,1001.39

1 3/16 FPS3251-316♦● □Δ 1.361 1/4 FPS3251-14S♦● □Δ 1.33

30.00 FPS325-30♦● □Δ 90.50 10.320 3/8 15.10 27.00 71.40 112.70 34.14 2.640 8.70 0.011 0.104 4,890 0.60

2071 1/4 FPS3251-14♦● □Δ

3 15/1613/32

3/819/32 1 7/32 3 3/16 4 13/16 1 9/16 0.104 3/8 0.011 0.104 1,400

1.901 3/8 FPS3251-38♦● □Δ 1.801 7/16 FPS3251-716♦● □Δ 1.75


Stamped Steel R

ound Flanged Block

D

F - Bolts

G Hole Dia.to Clear

Bolt Shank

VMin.

FrameOpening

KHS

30° 30°

CB

Distance BetweenBolt Holes




FPS325 - MB M

B25 Series Spring Locking Ball BearingFPS325





Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions

Cartridge Blocks - 26

Rubber mounted housingOptional mounting featureNon-relubricatableSee Features & Benefits for additional info.

Rub

ber

Mou

nted

Car

trid

ge B

lock




Photo Shows a Rubber Mounted ER Ball Bearing Cartridge UnitA

HousingDiameter

D

U

BCartridgeHousing

Width

L

D

RER-K

M

U

L

RER

RER

, R

ER-K

- M

B ER

Ada

pter

Ser

ies

Ball

Bear

ing RER, RER-K

Size Code

Shaft Diameter

Centrik-Lok K-LokA

Housing Diameter

B Cartridge Housing Width

D L M URadial Load

Rating

Approx. WeightPart

Number Part

Number

204

1/2 RER8K♦● □Δ RER8♦● □Δ2 17/32 1 1 7/32 1 3/8

1 1/813/16 200

0.585/8 RER10K♦● □Δ RER10♦● □Δ 1 13/64 0.543/4 RER12K♦● □Δ RER12♦● □Δ 1 3/8 0.50

20.00 RER204K♦● □Δ RER204♦● □Δ 64.30 25.40 30.96 34.90 30.60 20.60 890 0.20

205

7/8 RER14K♦● □Δ RER14♦● □Δ2 17/32 1 1 3/8 1 25/64 1 9/16

55/64 2500.58

15/16 RER15K♦● □Δ RER15♦● □Δ 0.561 RER16K♦● □Δ RER16♦● □Δ 0.54

25.00 RER205K♦● □Δ RER205♦● □Δ 64.30 25.40 34.92 35.30 39.70 21.80 1,110 0.30

206

1 1/8 RER18K♦● □Δ RER18♦● □Δ3 3/32 1 3/16 1 1/2 1 5/8

1 13/1629/32 300

1.011 3/16 RER19K♦● □Δ RER19♦● □Δ

20.97

1 1/4 RER20SK♦● □Δ RER20S♦● □Δ 0.9230.00 RER206K♦● □Δ RER206♦● □Δ 78.60 30.20 38.10 41.30 50.80 23.00 1,330 0.40


Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions

Take-Up Blocks - 27

Corrosion resistant powder coatingCast iron housingWide slot designBroad range of sealing optionsCentrik-Lok shaft locking deviceAlignable & relubricatableSee Features & Benefits for additional info.

Take-Up Block

NSlot

Spacing

HAdjusting

Screw HoleDiameter

SSlot

Width

K J

A

C

L

Y

T

H G

U

DMF

Photo Shows a Ball Bearing Take-Up Unit

TC25K - MB M


TC25K






Size Code

Shaft Diameter

Part Number

H Adjusting

Screw Hole Diameter

N Slot

Spacing

S Slot

WidthA C D F G J K L M T U Y Approx.

Weight

204 3/4 TC25K-34♦● □Δ 3/4 3.000 0.531 2 7/8 2 1 5/64 2 1 1/4 3 7/8 1 3/8 3 1/2 1 3/85/8

45/64 2 7/16 1.86

205

7/8 TC25K-78♦● □Δ3/4 3.000 0.531 2 7/8 2 1 1/8 2 1 1/4 3 7/8 1 3/8 3 1/2 1 9/16

5/83/4 2 7/16

1.8515/16 TC25K-1516♦● □Δ 1.821 TC25K1♦● □Δ 1.79

25.00 TC25K-25♦● □Δ 19.00 76.200 13.490 73.02 50.80 28.58 50.80 31.80 98.40 34.90 88.90 39.70 15.90 19.00 61.90 0.80

206

1 1/8 TC25K1-18♦● □Δ7/8 3.500 0.531 3 3/8 2 1/4 1 19/64 2 3/16 1 7/16 4 1/2 1 9/16 4 1/8

1 13/1611/16

29/32 2 3/4

2.751 3/16 TC25K1-316♦● □Δ

22.72

1 1/4 TC25K1-14S♦● □Δ 2.6930.00 TC25K-30♦● □Δ 22.20 88.900 13.490 85.70 57.20 32.94 55.60 36.50 114.30 39.70 104.80 50.80 17.50 23.00 69.80 1.20

2071 1/4 TC25K1-14♦● □Δ

7/8 3.500 0.531 4 2 1/2 1 15/32 2 3/8 1 7/16 5 1 9/16 4 1/8

211/16 1 1/64 3 1/16

3.191 3/8 TC25K1-38♦● □Δ

2 1/43.09

1 7/16 TC25K1-716♦● □Δ 3.03

2081 1/2 TC25K1-12♦● □Δ

1 1/8 3.969 0.688 4 3/16 3 1/4 1 9/16 3 1/4 1 15/16 5 5/8 2 1/16 4 3/4 2 1/27/8 1 5/64 3 1/2

5.241 5/8 TC25K1-58♦● □Δ 5.10

2091 5/8 TC25K1-58L♦● □Δ

1 1/8 3.969 0.688 4 3/16 3 1/4 1 19/32 3 1/4 1 15/16 5 5/8 2 1/16 4 3/4

2 1/27/8 1 1/16 3 7/16

4.841 11/16 TC25K1-1116♦● □Δ

2 11/164.77

1 3/4 TC25K1-34♦● □Δ 4.70

2101 7/8 TC25K1-78♦● □Δ

1 1/8 3.969 0.688 4 7/16 3 1/4 1 41/64 3 1/4 1 15/16 5 7/8 2 1/16 4 3/4 2 7/87/8 1 3/32 3 9/16

4.961 15/16 TC25K1-1516♦● □Δ 4.87

2 TC25K2♦● □Δ 4.78

2112 TC25K2L♦● □Δ

1 3/8 5.094 1.062 4 7/8 3 3/4 1 3/4 4 2 1/2 6 13/16 2 1/2 5 7/8

2 7/8

1 3/16 1 7/32 4 3/16

8.782 3/16 TC25K2-316♦● □Δ

3 1/88.58

2 1/4 TC25K2-14♦● □Δ 8.38

2122 1/4 TC25K2-14L♦● □Δ

1 3/8 5.094 1.062 5 5/8 4 1 57/64 4 2 1/2 7 9/16 2 1/2 5 7/8

3 1/8

1 3/16 1 5/16 4 11/16

9.672 3/8 TC25K2-38♦● □Δ

3 3/89.43

2 7/16 TC25K2-716♦● □Δ 9.31215 2 15/16 TC25K2-1516♦● □Δ 1 5/8 5.906 1.062 6 27/32 4 3/4 2 1/8 4 3/16 2 3/4 8 15/16 2 3/4 6 11/16 3 15/16 1 5/16 1 21/64 5 1/2 14.24


Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions

Take-Up Blocks - 28

Size Code

Shaft Diameter

Part Number

H Adjusting

Screw Hole Diameter

N Slot

Spacing

S Slot

Width A C D F G J K L T U Y Approx.

Weight

2043/4 TC25-34♦● □Δ 3/4 3.000 0.531 2 7/8 2 1 1/8 2 1 1/4 3 7/8 1 3/8 3 1/2

5/83/4 2 7/16 1.86

20.00 TC25-20♦● □Δ 19.00 76.200 13.490 73.02 50.80 28.58 50.80 31.80 98.40 34.90 88.90 15.90 19.00 61.90 0.80

205

7/8 TC25-78♦● □Δ3/4 3.000 0.531 2 7/8 2 1 11/64 2 1 1/4 3 7/8 1 3/8 3 1/2

5/851/64 2 7/16

1.8515/16 TC25-1516♦● □Δ 1.821 TC251♦● □Δ 1.79

25.00 TC25-25♦● □Δ 19.00 76.200 13.490 73.02 50.80 29.77 50.80 31.80 98.40 34.90 88.90 15.90 20.20 61.90 0.80

206

1 1/8 TC251-18♦● □Δ7/8 3.500 0.531 3 3/8 2 1/4 1 11/32 2 3/16 1 7/16 4 1/2 1 9/16 4 1/8

11/1661/64 2 3/4

2.751 3/16 TC251-316♦● □Δ 2.721 1/4 TC251-14S♦● □Δ 2.69

30.00 TC25-30♦● □Δ 22.20 88.900 13.490 85.70 57.20 34.14 55.60 36.50 114.30 39.70 104.80 17.50 24.20 69.80 1.20

207

1 1/4 TC251-14♦● □Δ7/8 3.500 0.531 4 2 1/2 1 9/16 2 3/8 1 7/16 5 1 9/16 4 1/8

11/16 1 7/64 3 1/16

3.191 3/8 TC251-38♦● □Δ 3.091 7/16 TC251-716♦● □Δ 3.0335.00 TC25-35♦● □Δ 22.20 88.900 13.490 101.60 63.50 39.67 60.30 36.50 127.00 39.70 104.80 17.50 28.20 77.80 1.40

2081 1/2 TC251-12♦● □Δ

1 1/8 3.969 0.688 4 3/16 3 1/4 1 21/32 3 1/4 1 15/16 5 5/8 2 1/16 4 3/47/8 1 11/64 3 1/2

5.241 5/8 TC251-58♦● □Δ 5.10

40.00 TC25-40♦● □Δ 28.60 100.810 17.480 106.40 82.60 42.06 82.60 49.20 133.40 52.40 120.60 22.20 29.80 88.90 2.30

2091 5/8 TC251-58L♦● □Δ

1 1/8 3.969 0.688 4 3/16 3 1/4 1 49/64 3 1/4 1 15/16 5 5/8 2 1/16 4 3/47/8 1 15/64 3 7/16

4.841 11/16 TC251-1116♦● □Δ 4.771 3/4 TC251-34♦● □Δ 4.70

2101 7/8 TC251-78♦● □Δ

1 1/8 3.969 0.688 4 7/16 3 1/4 1 13/16 3 1/4 1 15/16 5 7/8 2 1/16 4 3/47/8 1 17/64 3 9/16

4.961 15/16 TC251-1516♦● □Δ 4.87

2 TC252♦● □Δ 4.78

2112 TC252L♦● □Δ

1 3/8 5.094 1.062 4 7/8 3 3/4 1 13/16 4 2 1/2 6 13/16 2 1/2 5 7/8 1 3/16 1 9/32 4 3/16

8.782 3/16 TC252-316♦● □Δ 8.582 1/4 TC252-14♦● □Δ 8.38

2122 1/4 TC252-14L♦● □Δ

1 3/8 5.094 1.062 5 5/8 4 1 57/64 4 2 1/2 7 9/16 2 1/2 5 7/8 1 3/16 1 5/16 4 11/16

9.672 3/8 TC252-38♦● □Δ 9.432 7/16 TC252-716♦● □Δ 9.31

215 2 15/16 TC252-1516♦● □Δ 1 5/8 5.906 1.062 6 27/32 4 3/4 2 17/64 4 3/16 2 3/4 8 15/16 2 3/4 6 11/16 1 5/16 1 15/32 5 1/2 14.24

Corrosion resistant powder coatingCast iron housingWide slot designBroad range of sealing optionsSpring locking setscrew mountAlignable & relubricatableSee Features & Benefits for additional info.

Take

-Up

Bloc

k

Y

L

CA

JT

H G F

U

D

K

NSlot

Spacing

HAdjusting

Screw HoleDiameter

SSlot

Width


TC25

- M

B M

B25

Seri

es S

tand

ard

Dut

y Sp

ring

Loc

king

Bal

l Bea

ring TC25







Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions

Take-Up Blocks - 29

NSlot

Spacing

HAdjusting

Screw HoleDiameter

SSlot

Width

K J

A

C

L

Y

T

H G

U

DMF

Corrosion resistant powder coatingCast iron housingWide slot designBroad range of sealing optionsCentrik-Lok shaft locking deviceAlignable & relubricatableSee Features & Benefits for additional info.

Take-Up Block







TC35K - MB M

B35 Series Medium


TC35K

Size Code

Shaft Diameter

Part Number

H Adjusting

Screw Hole Diameter

N Slot

Spacing

S Slot

WidthA C D F G J K L M T U Y Approx.

Weight

206 1 TC35K1♦●□Δ 7/8 3.500 0.531 3 3/8 2 1/4 1 19/64 2 3/16 1 7/16 4 1/2 1 9/16 4 1/8 1 13/1611/16

29/32 2 3/4 2.88207 1 3/16 TC35K1-316♦●□Δ 7/8 3.500 0.531 4 2 1/2 1 15/32 2 3/8 1 7/16 5 1 9/16 4 1/8 2 11/16 1 1/32 3 1/16 3.20208 1 7/16 TC35K1-716♦●□Δ 1 1/8 3.969 0.688 4 3/16 3 1/4 1 9/16 3 1/4 1 15/16 5 5/8 2 1/16 4 3/4 2 1/4

7/8 1 3/32 3 1/2 5.29209 1 1/2 TC35K1-12♦●□Δ 1 1/8 3.969 0.688 4 3/16 3 1/4 1 19/32 3 1/4 1 15/16 5 5/8 2 1/16 4 3/4 2 1/2

7/8 1 1/8 3 7/16 4.96

2101 11/16 TC35K1-1116♦●□Δ

1 1/8 3.969 0.688 4 7/16 3 1/4 1 41/64 3 1/4 1 15/16 5 7/8 2 1/16 4 3/4 2 3/47/8 1 5/32 3 9/16 5.21

1 3/4 TC35K1-34♦●□Δ211 1 15/16 TC35K1-1516♦●□Δ 1 3/8 5.094 1.062 4 7/8 3 3/4 1 3/4 4 2 1/2 6 13/16 2 1/2 5 7/8 2 7/8 1 3/16 1 7/32 4 3/16 8.87212 2 3/16 TC35K2-316♦●□Δ 1 3/8 5.094 1.062 5 5/8 4 1 57/64 4 2 1/2 7 9/16 2 1/2 5 7/8 3 1/8 1 3/16 1 5/16 4 11/16 8.79

2142 7/16 TC35K2-716●□Δ♦

1 5/8 5.906 1.062 6 19/32 4 3/4 2 5/64 4 3/8 2 3/4 8 11/16 2 3/4 6 11/16 3 3/4 1 5/16 1 7/16 5 3/8 15.092 1/2 TC35K2-12●□Δ♦

215 2 11/16 TC35K2-1116●□Δ♦ 1 5/8 5.906 1.062 6 27/32 4 3/4 2 1/8 4 3/8 2 3/4 8 15/16 2 3/4 6 11/16 3 15/16 1 5/16 1 15/32 5 1/2 14.87


Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions

Take-Up Blocks - 30

Size Code

Shaft Diameter

Part Number

H Adjusting

Screw Hole Diameter

N Slot

Spacing

S Slot

WidthA C D F G J K L T U Y Approx.

Weight

206 1 TC351♦●□Δ 7/8 3.500 0.531 3 3/8 2 1/4 1 11/32 2 3/16 1 7/16 4 1/2 1 9/16 4 1/811/16

61/64 2 3/4 2.88207 1 3/16 TC351-316♦●□Δ 7/8 3.500 0.531 4 2 1/2 1 9/16 2 3/8 1 7/16 5 1 9/16 4 1/8

11/16 1 7/64 3 1/16 3.20208 1 7/16 TC351-716♦●□Δ 1 1/8 3.969 0.688 4 3/16 3 1/4 1 21/32 3 1/4 1 15/16 5 5/8 2 1/16 4 3/4

7/8 1 11/64 3 1/2 5.29209 1 1/2 TC351-12♦●□Δ 1 1/8 3.969 0.688 4 3/16 3 1/4 1 49/64 3 1/4 1 15/16 5 5/8 2 1/16 4 3/4

7/8 1 15/64 3 7/16 4.96

2101 11/16 TC351-1116♦●□Δ

1 1/8 3.969 0.688 4 7/16 3 1/4 1 13/16 3 1/4 1 15/16 5 7/8 2 1/16 4 3/47/8 1 17/64 3 9/16 5.21

1 3/4 TC351-34♦●□Δ

2111 15/16 TC351-1516♦●□Δ

1 3/8 5.094 1.062 4 7/8 3 3/4 1 13/16 4 2 1/2 6 13/16 2 1/2 5 7/8 1 3/16 1 9/32 4 3/16 8.872 TC352♦●□Δ

2122 3/16 TC352-316♦●□Δ

1 3/8 5.094 1.062 5 5/8 4 1 57/64 4 2 1/2 7 9/16 2 1/2 5 7/8 1 3/16 1 5/16 4 11/16 8.792 1/4 TC352-14♦●□Δ

2142 7/16 TC352-716●□Δ♦

1 5/8 5.906 1.062 6 19/32 4 3/4 2 15/64 4 3/8 2 3/4 8 11/16 2 3/4 6 11/16 1 5/16 1 7/16 5 3/8 15.092 1/2 TC352-12●□Δ♦

215 2 11/16 TC352-1116●□Δ♦ 1 5/8 5.906 1.062 6 27/32 4 3/4 2 17/64 4 3/8 2 3/4 8 15/16 2 3/4 6 11/16 1 5/16 1 15/32 5 1/2 14.87

Corrosion resistant powder coatingCast iron housingWide slot designBroad range of sealing optionsSpring locking setscrew mountAlignable & relubricatableSee Features & Benefits for additional info.

Take

-Up

Bloc

k






Y

L

CA

JT

G F

U

D

K

NSlot

Spacing

HAdjusting

Screw HoleDiameter

SSlot

Width


TC35

- M

B M

B35

Seri

es M

ediu

m D

uty

Spri

ng L

ocki

ng B

all B

eari

ng TC35


Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions

Take-Up Frames - 31

Size Code

Shaft Diameter

Part Number

H Adjusting

Screw Hole Diameter

N Slot

Spacing

S Slot

WidthA C D F G J K L T U Y Approx.

Weight

206 1 TC351♦●□Δ 7/8 3.500 0.531 3 3/8 2 1/4 1 11/32 2 3/16 1 7/16 4 1/2 1 9/16 4 1/811/16

61/64 2 3/4 2.88207 1 3/16 TC351-316♦●□Δ 7/8 3.500 0.531 4 2 1/2 1 9/16 2 3/8 1 7/16 5 1 9/16 4 1/8

11/16 1 7/64 3 1/16 3.20208 1 7/16 TC351-716♦●□Δ 1 1/8 3.969 0.688 4 3/16 3 1/4 1 21/32 3 1/4 1 15/16 5 5/8 2 1/16 4 3/4

7/8 1 11/64 3 1/2 5.29209 1 1/2 TC351-12♦●□Δ 1 1/8 3.969 0.688 4 3/16 3 1/4 1 49/64 3 1/4 1 15/16 5 5/8 2 1/16 4 3/4

7/8 1 15/64 3 7/16 4.96

2101 11/16 TC351-1116♦●□Δ

1 1/8 3.969 0.688 4 7/16 3 1/4 1 13/16 3 1/4 1 15/16 5 7/8 2 1/16 4 3/47/8 1 17/64 3 9/16 5.21

1 3/4 TC351-34♦●□Δ

2111 15/16 TC351-1516♦●□Δ

1 3/8 5.094 1.062 4 7/8 3 3/4 1 13/16 4 2 1/2 6 13/16 2 1/2 5 7/8 1 3/16 1 9/32 4 3/16 8.872 TC352♦●□Δ

2122 3/16 TC352-316♦●□Δ

1 3/8 5.094 1.062 5 5/8 4 1 57/64 4 2 1/2 7 9/16 2 1/2 5 7/8 1 3/16 1 5/16 4 11/16 8.792 1/4 TC352-14♦●□Δ

2142 7/16 TC352-716●□Δ♦

1 5/8 5.906 1.062 6 19/32 4 3/4 2 15/64 4 3/8 2 3/4 8 11/16 2 3/4 6 11/16 1 5/16 1 7/16 5 3/8 15.092 1/2 TC352-12●□Δ♦

215 2 11/16 TC352-1116●□Δ♦ 1 5/8 5.906 1.062 6 27/32 4 3/4 2 17/64 4 3/8 2 3/4 8 15/16 2 3/4 6 11/16 1 5/16 1 15/32 5 1/2 14.87

Size Code

Adjust. Length

Mild Steel Stainless Steel Bolt Hole Spacing Mouting Plate Bolt Hole Spacing

C E F F1 H K L T V

Adjust. Screw

Part Number

Approx. Weight

Part Number

Approx. Weight B

G Width

Direction

Sq.Drive

Thread SizeN N

min.N

maxPillow Block Mounting

203-205

3 TP1003 3.00 TSP1003 2.60 3 9/16

2 5/8 - 2 15/16 4 5/16

6 7/8

1 1/23/8

3/81/4 1 1/2 5 1/4

3 11/16

7/83/8 5/8 - 116 TP1006 4.00 TSP1006 3.50 7 1/16 10 3/8

9 TP1009 5.10 TSP1009 4.40 11 1/16 14 3/8

206-209

12 TP25012 9.90 TSP25012 8.10 13 3/8

3 - 3 13/16 5 11/16

17 1/2

2 1/32

1/21/2

1/4 1 7/8 7 4 1 1/81/2 3/4 - 10

3 TP2503 5.80 TSP2503 4.80 4 3/8 8 1/2

6 TP2506 7.10 TSP2506 5.80 7 3/8 11 1/2

9 TP2509 8.40 TSP2509 7.00 10 3/8 14 1/2

210-212

12 TP30012 16.00 TSP30012 16.50 14 1/8

4 - 5 9/16 8 11/16

19 1/8

2 27/32

5/85/8

1/4 2 1/4 10 5 1/4 1 1/21/2 7/8 - 9

18 TP30018 20.40 TSP30018 21.60 21 1/8 26 1/8

6 TP3006 11.00 TSP3006 11.40 6 1/8 11 1/8

9 TP3009 13.10 TSP3009 13.40 10 1/8 15 1/8

213-217

12 TP40012 42.90 - - 205 1/2 - 8 1/2 11 3/4

27 3/4

3 1/23/4

3/41/4 3 1/2 14 7 1/2 2 1/8

PinnedNut 1 1/4 - 718 TP40018 52.10 - - 26 33 3/4

24 TP40024 61.30 - - 32 39 3/4

Tapped Base Pillow Block Mounting

204-205

3 TPT1003 3.00 TSPT1003 2.60 3 9/16

2 5/8 2 - -6 7/8

1 1/23/8

3/81/4 1 1/2 3 3

11/16

7/83/8 5/8 - 116 TPT1006 4.00 TSPT1006 3.50 7 1/16 10 3/8

9 TPT1009 5.10 TSPT1009 4.40 11 1/16 14 3/8

206

12 TPT250112 9.90 TSPT250112 8.10 13 3/8

3 3 - -

17 1/2

1 1/21/2

7/161/4 1 7/8 4 4 1 1/8

1/2 3/4 - 103 TPT25013 5.80 TSPT25013 4.80 4 3/8 8 1/2

6 TPT25016 7.10 TSPT25016 5.80 7 3/8 11 1/2

9 TPT25019 8.40 TSPT25019 7.00 10 3/8 14 1/2

207

12 TPT250212 9.90 TSPT250212 8.10 13 3/8

3 3 1/4 - -

17 1/2

2 1/21/2

1/4 1 7/8 4 1/4 4 1 1/81/2 3/4 - 10

3 TPT25023 5.80 TSPT25023 4.80 4 3/8 8 1/2

6 TPT25026 7.10 TSPT25026 5.80 7 3/8 11 1/2

9 TPT25029 8.40 TSPT25029 7.00 10 3/8 14 1/2

210

12 TPT250512 9.90 TSPT250512 8.10 13 3/8

3 4 - -

17 1/2

2 1/25/8

1/4 1 7/8 5 1/2 4 1 1/81/2 3/4 - 10

3 TPT25053 5.80 TSPT25053 4.80 4 3/8 8 1/2

6 TPT25056 7.10 TSPT25056 5.80 7 3/8 11 1/2

9 TPT25059 8.40 TSPT25059 7.00 10 3/8 14 1/2

Protected screw T-frame takeupMild steel or AISI 304 stainless steel framePillow block or tapped base pillow block mountingPillow blocks not includedSee Features & Benefits for additional info.

Please call 1-866-REXNORD for availabilityFor pillow block dimensions, see Pillow Block Ball Bearing sectionNote: Dimensions subject to change. Certified dimensions of ordered


Photo Shows a T-Frame Protected Screw Take-Up Frame for Ball Bearing Pillow Block Mounting

GBolt Hole Spacing

E

T

H

CK

L L

V V

NMax. N

Min.

F1

N

BBolt Hole Spacing

F - Bolts

Adjustment

TP, TPT, TSP, TSPT - Standard Duty Ball Bearing Protected Screw

Take-up Frame

TP, TPT, TSP, TSPT


Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions

Take-Up Frames - 32

Size Code

Adjust. Length

Part Number

Bolt Hole Spacing

C F1 K L T U V Z

Adjust. ScrewApprox. WeightN

minN

maxSq

DriveThread

Size

203-205

6 TQP1006 2 15/16 4 5/16 10 3/83/8 3 23/32 5 1/4

3/4 3 1 1/2 3 7/16 3/8 5/8 - 114.00

9 TQP1009 2 15/16 4 5/16 14 3/83/8 5 23/32 5 1/4

3/4 5 1 1/2 3 7/16 5.00

206-209

6 TQP2506 3 13/16 5 11/16 11 1/21/2 1 9/16 7 1 4 2 1/32 4 7/8

1/2 3/4 - 107.00

9 TQP2509 3 13/16 5 11/16 14 1/21/2 3 1/16 7 1 6 2 1/32 4 7/8 8.20

12 TQP25012 3 13/16 5 11/16 17 1/21/2 4 9/16 7 1 8 2 1/32 4 7/8 9.50

Protected screw T-frame takeupAISI 304 stainless steel framePillow block mountingPillow blocks not includedSee Features & Benefits for additional info.

Please call 1-866-REXNORD for availabilityFor pillow block dimensions, see Pillow Block Ball Bearing sectionNote: Dimensions subject to change. Certified dimensions of ordered


Photo Shows a T-Frame Quick Release Take-Up Frame for Ball Bearing Pillow Block Mounting

C Adjustment

NMax

NMin L

V

F1

U

Z

K

T

TQP

- St

anda

rd D

uty

Ball

Bear

ing

Qui

ck R

elea

se P

rote

cted

Scr

ew T

ake-

up F

ram

e TQP


Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions

Hanger Units - 33


Screw Conveyor H

anger Block

A

D G B

HU

F

EBase to

CenterlineHeight

T - Tap

Photo Shows a Screw Conveyor Hanger Ball Bearing Unit

MCH

B - MB M


MCHB






Size Code

Shaft Diameter

Part Number

E Base to

Centerline Height

T

A B D F G H U Approx. WeightDepth Tap

206

1 MCHB1♦● □Δ

2 1/25/8 3/4-14 3 3/8 4 3/16 1 11/32 1 21/32

7/16 1 7/3261/64

2.341 1/8 MCHB1-18♦● □Δ 2.251 3/16 MCHB1-316S♦● □Δ 2.221 1/4 MCHB1-14S♦● □Δ 2.19

30.00 MCHB-30♦● □Δ 63.50 15.90 3/4-14 85.70 106.40 34.14 42.10 11.10 31.00 24.20 1.00

207

1 3/16 MCHB1-316♦● □Δ

2 3/45/8 3/4-14 3 7/8 4 11/16 1 9/16 1 21/32

3/8 1 9/32 1 7/64

3.351 1/4 MCHB1-14♦● □Δ 3.341 3/8 MCHB1-38♦● □Δ 3.241 7/16 MCHB1-716S♦● □Δ 3.1835.00 MCHB-35♦● □Δ 69.80 15.90 3/4-14 98.40 119.10 39.67 42.10 9.50 32.50 28.20 1.50

208

1 7/16 MCHB1-716♦● □Δ2 7/8

5/8 3/4-14 4 4 7/8 1 21/32 1 21/3211/32 1 11/32 1 11/64

3.441 1/2 MCHB1-12♦● □Δ 3.391 5/8 MCHB1-58♦● □Δ 3.25

40.00 MCHB-40♦● □Δ 73.00 15.90 3/4-14 101.60 123.80 42.06 42.10 8.70 34.10 29.80 1.50

210

1 11/16 MCHB1-1116♦● □Δ

3 1/413/16 1-11 ½ 4 5/8 5 9/16 1 13/16 1 7/8

13/32 1 13/32 1 17/64

5.061 3/4 MCHB1-34♦● □Δ 4.981 7/8 MCHB1-78♦● □Δ 4.81

1 15/16 MCHB1-1516♦● □Δ 4.722 MCHB2♦● □Δ 4.63

2122 3/16 MCHB2-316♦● □Δ

4 1 1/8 1 ¼-11 ½ 5 5/8 6 13/16 1 57/64 2 5/1637/64 1 5/8 1 5/16

8.442 3/8 MCHB2-38♦● □Δ 8.082 7/16 MCHB2-716♦● □Δ 7.96

2152 11/16 MCHB2-1116♦● □Δ

4 5/8 1 1/4 1 ½-11 ½ 6 1/2 7 7/8 2 17/64 2 3/437/64 1 31/32 1 15/32

12.272 3/4 MCHB2-34♦● □Δ 12.14

2 15/16 MCHB2-1516♦● □Δ 11.64

2162 15/16 MCHB2-1516L♦● □Δ

4 7/8 1 1/4 1 ½-11 ½ 7 8 3/8 2 23/64 2 13/1635/64 2 1/16 1 1/2

16.003 MCHB3♦● □Δ 15.82

2183 3/16 MCHB3-316♦● □Δ

6 1 3/4 2-11 ½ 8 5/16 10 5/32 2 33/64 3 1/225/32 2 1/8 1 9/16

25.663 7/16 MCHB3-716♦● □Δ 24.773 1/2 MCHB3-12♦● □Δ 24.58


Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions

Hanger Units - 34


Han

ger

Bloc

k

A

D G B

HU

F

EBase to

CenterlineHeight

T - Tap

Photo Shows a Screw Conveyor Hanger Ball Bearing Unit

MEH

B -

MB

MB2

5 Se

ries

Sta

ndar

d D

uty

Spri

ng L

ocki

ng B

all B

eari

ng MEHB






Size Code

Shaft Diameter

Part Number

E Base to

Centerline Height

T

A B D F G H U Approx. WeightDepth Tap

206

1 MEHB1♦● □Δ

2 1/25/8 3/4-14 3 3/8 4 3/16 1 11/32 1 21/32

7/16 1 7/3261/64

2.341 1/8 MEHB1-18♦● □Δ 2.251 3/16 MEHB1-316S♦● □Δ 2.221 1/4 MEHB1-14S♦● □Δ 2.19

30.00 MEHB-30♦● □Δ 63.50 15.90 3/4-14 85.70 106.40 34.14 42.10 11.10 31.00 24.20 1.00

207

1 3/16 MEHB1-316♦● □Δ

2 3/45/8 3/4-14 3 7/8 4 11/16 1 9/16 1 21/32

3/8 1 9/32 1 7/64

3.351 1/4 MEHB1-14♦● □Δ 3.341 3/8 MEHB1-38♦● □Δ 3.241 7/16 MEHB1-716S♦● □Δ 3.1835.00 MEHB-35♦● □Δ 69.80 15.90 3/4-14 98.40 119.10 39.67 42.10 9.50 32.50 28.20 1.50

208

1 7/16 MEHB1-716♦● □Δ2 7/8

5/8 3/4-14 4 4 7/8 1 21/32 1 21/3211/32 1 11/32 1 11/64

3.441 1/2 MEHB1-12♦● □Δ 3.391 5/8 MEHB1-58♦● □Δ 3.25

40.00 MEHB-40♦● □Δ 73.00 15.90 3/4-14 101.60 123.80 42.06 42.10 8.70 34.10 29.80 1.50

210

1 11/16 MEHB1-1116♦● □Δ

3 1/413/16 1-11 ½ 4 5/8 5 9/16 1 13/16 1 7/8

13/32 1 13/32 1 17/64

5.061 3/4 MEHB1-34♦● □Δ 4.981 7/8 MEHB1-78♦● □Δ 4.81

1 15/16 MEHB1-1516♦● □Δ 4.722 MEHB2♦● □Δ 4.63

2122 3/16 MEHB2-316♦● □Δ

4 1 1/8 1 ¼-11 ½ 5 5/8 6 13/16 1 57/64 2 5/1637/64 1 5/8 1 5/16

8.442 3/8 MEHB2-38♦● □Δ 8.082 7/16 MEHB2-716♦● □Δ 7.96

2152 11/16 MEHB2-1116♦● □Δ

4 5/8 1 1/4 1 ½-11 ½ 6 1/2 7 7/8 2 17/64 2 3/437/64 1 31/32 1 15/32

12.272 3/4 MEHB2-34♦● □Δ 12.14

2 15/16 MEHB2-1516♦● □Δ 11.64

2162 15/16 MEHB2-1516L♦● □Δ

4 7/8 1 1/4 1 ½-11 ½ 7 8 3/8 2 23/64 2 13/1635/64 2 1/16 1 1/2

16.003 MEHB3♦● □Δ 15.82

2183 3/16 MEHB3-316♦● □Δ

6 1 3/4 2-11 ½ 8 5/16 10 5/32 2 33/64 3 1/225/32 2 1/8 1 9/16

25.663 7/16 MEHB3-716♦● □Δ 24.773 1/2 MEHB3-12♦● □Δ 24.58


Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions

Unmounted Units - 35

Broad range of sealing optionsCentrik-Lok shaft locking deviceSealed & relubricatableSpherical O.D.See Features & Benefits for additional info.

Replacem

ent Insert

BOutside

Diameter

JOuter

Ring WidthD

N

G

TY

M

Photo Shows an Unmounted Ball Bearing Unit

KMB25 - M


uty Centrik-Lok Ball BearingKMB25

Please call 1-866-REXNORD for availabilityBearing O.D. tolerance for size code 203 thru 208, +.0000”/-.0005” (+0.000mm/-0.013mm): for all other size codes,

+.0000”/-.0006” (+0.000mm/-0.015mm)Lip seals standard♦ Available with E1 viton seals for size codes 212 and smaller♦ Available with TFF viton seals for size codes above 212





Size Code

Shaft Diameter

Part Number

B O.D.

J Outer Ring

WidthD G M N Y

TApprox. Weight Width Tap Size

203

1/2 KMB25-12-PA♦● □Δ1.5748 0.5118 63/64 0.3440

1 1/8

0.941 0.158 9/32 #10-320.27

5/8 KMB25-58-PA♦● □Δ1 13/64

0.2411/16 KMB25-1116-PA♦● □Δ 0.22

204 3/4 KMB25-34-PA♦● □Δ 1.8504 0.5906 1 5/64 0.3610 1 3/8 1.121 0.176 11/32 1/4-28 0.36

205

7/8 KMB25-78-PA♦● □Δ2.0472 0.5906 1 1/8 0.3670 1 9/16 1.313 0.176 11/32 1/4-28

0.4815/16 KMB25-1516-PA♦● □Δ 0.451 KMB251-PA♦● □Δ 0.42

25.00 KMB25-25-PA♦● □Δ 52.0000 15.0000 28.58 9.3200 39.70 33.350 4.470 8.70 M6X1 0.20

206

1 1/8 KMB251-18-PA♦● □Δ2.4409 0.7087 1 19/64 0.3970

1 13/16

1.587 0.202 7/16 1/4-280.76

1 3/16 KMB251-316-PA♦● □Δ2

0.741 1/4 KMB251-14S-PA♦● □Δ 0.71

30.00 KMB25-30-PA♦● □Δ 62.0000 18.0000 32.94 10.0800 50.80 40.310 5.130 11.10 M8X1.25 0.30

2071 1/4 KMB251-14-PA♦● □Δ

2.8346 0.7480 1 15/32 0.44202

1.847 0.227 7/16 5/16-241.13

1 3/8 KMB251-38-PA♦● □Δ2 1/4

1.081 7/16 KMB251-716-PA♦● □Δ 1.02

2081 1/2 KMB251-12-PA♦● □Δ

3.1496 0.8661 1 9/16 0.4740 2 1/2 2.083 0.263 7/16 5/16-241.45

1 5/8 KMB251-58-PA♦● □Δ 1.31

2091 5/8 KMB251-58L-PA♦● □Δ

3.3465 0.8661 1 19/32 0.47702 1/2

2.281 0.256 7/16 5/16-241.62

1 11/16 KMB251-1116-PA♦● □Δ2 11/16

1.591 3/4 KMB251-34-PA♦● □Δ 1.55

2101 7/8 KMB251-78-PA♦● □Δ

3.5433 0.8661 1 41/64 0.4860 2 7/8 2.475 0.256 9/16 3/8-241.84

1 15/16 KMB251-1516-PA♦● □Δ 1.752 KMB252-PA♦● □Δ 1.66

2112 KMB252L-PA♦● □Δ

3.9370 0.9843 1 3/4 0.54102 7/8

2.749 0.298 9/16 3/8-242.44

2 3/16 KMB252-316-PA♦● □Δ3 1/8

2.242 1/4 KMB252-14-PA♦● □Δ 2.14

2122 1/4 KMB252-14L-PA♦● □Δ

4.3307 1.0630 1 57/64 0.58203 1/8

3.012 0.330 9/16 3/8-242.93

2 3/8 KMB252-38-PA♦● □Δ3 3/8

2.902 7/16 KMB252-716-PA♦● □Δ 2.78

215 2 15/16 KMB252-1516-PA♦● □Δ 5.1181 1.1835 2 1/8 0.6590 3 15/16 3.632 0.266 9/16 3/8-24 4.40


Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions


Broad range of sealing optionsSpring locking setscrew mountSealed & relubricatableSpherical O.D.See Features & Benefits for additional info.

Rep

lace

men

t Ins

ert

TY

S G

N

D

BOutside

Diameter

JOuter

Ring Width


MB2

5 -

MB

MB2

5 Se

ries

Sta

ndar

d D

uty

Spri

ng L

ocki

ng B

all B

eari

ng MB25

Please call 1-866-REXNORD for availabilityBearing O.D. tolerance for size code 203 thru 208, +.0000”/-.0005”

(+0.000mm/-0.013mm): for all other size codes, +.0000”/-.0006” (+0.000mm/-0.015mm)

Lip seals standard♦ Available with E1 viton seals for size codes 212 and smaller♦ Available with TFF viton seals for size codes above 212





Size Code

Shaft Diameter

Part Number

B O.D.

J Outer Ring

WidthD G N S T Y Approx.

Weight

203

1/2 MB25-12-PA♦● □Δ1.5748 0.5118 63/64 0.3440 0.941 0.19 #10-32 0.158

0.255/8 MB25-58-PA♦● □Δ 0.21

11/16 MB25-1116-PA♦● □Δ 0.19

2043/4 MB25-34-PA♦● □Δ 1.8504 0.5906 1 1/8 0.3760 1.121 0.23 1/4-28 0.176 0.32

20.00 MB25-20-PA♦● □Δ 47.0000 15.0000 28.58 9.5500 28.470 5.80 M6X1 4.470 0.10

205

7/8 MB25-78-PA♦● □Δ2.0472 0.5906 1 11/64 0.3760 1.313 0.25 1/4-28 0.176

0.4315/16 MB25-1516-PA♦● □Δ 0.401 MB251-PA♦● □Δ 0.37

25.00 MB25-25-PA♦● □Δ 52.0000 15.0000 29.77 9.5500 33.350 6.40 M6X1 4.470 0.20

206

1 1/8 MB251-18-PA♦● □Δ2.4409 0.7087 1 11/32 0.3920 1.587 0.31 5/16-24 0.202

0.631 3/16 MB251-316-PA♦● □Δ 0.601 1/4 MB251-14S-PA♦● □Δ 0.57

30.00 MB25-30-PA♦● □Δ 62.0000 18.0000 34.14 9.9600 40.310 7.90 M8X1.25 5.130 0.30

207

1 1/4 MB251-14-PA♦● □Δ2.8346 0.7480 1 9/16 0.4540 1.847 0.34 5/16-24 0.227

1.021 3/8 MB251-38-PA♦● □Δ 0.921 7/16 MB251-716-PA♦● □Δ 0.8635.00 MB25-35-PA♦● □Δ 72.0000 19.0000 39.67 11.5300 46.910 8.60 M8X1.25 5.770 0.40

2081 1/2 MB251-12-PA♦● □Δ

3.1496 0.8661 1 21/32 0.4850 2.083 0.34 5/16-24 0.2631.27

1 5/8 MB251-58-PA♦● □Δ 1.2040.00 MB25-40-PA♦● □Δ 80.0000 22.0000 42.06 12.3200 52.910 8.60 M8X1.25 6.680 0.50

2091 5/8 MB251-58L-PA♦● □Δ

3.3465 0.8661 1 49/64 0.5320 2.281 0.36 5/16-24 0.2561.50

1 11/16 MB251-1116-PA♦● □Δ 1.431 3/4 MB251-34-PA♦● □Δ 1.36

2101 7/8 MB251-78-PA♦● □Δ

3.5433 0.8661 1 13/16 0.5320 2.475 0.38 3/8-24 0.2561.57

1 15/16 MB251-1516-PA♦● □Δ 1.482 MB252-PA♦● □Δ 1.39

2112 MB252L-PA♦● □Δ

3.9370 0.9843 1 13/16 0.5370 2.749 0.38 3/8-24 0.2982.27

2 3/16 MB252-316-PA♦● □Δ 1.972 1/4 MB252-14-PA♦● □Δ 1.87

2122 1/4 MB252-14L-PA♦● □Δ

4.3307 1.0630 1 57/64 0.5780 3.012 0.38 3/8-24 0.3302.85

2 3/8 MB252-38-PA♦● □Δ 2.612 7/16 MB252-716-PA♦● □Δ 2.49

215 2 15/16 MB252-1516-PA♦● □Δ 5.1181 1.1835 2 17/64 0.8040 3.632 0.37 3/8-24 0.266 3.96


Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions


Broad range of sealing optionsCentrik-Lok shaft locking deviceSealed & relubricatableSpherical O.D.See Features & Benefits for additional info.

Replacem

ent Insert


(+0.000mm/-0.013mm): for size code 209 thru 215, +.0000”/-.0006” (+0.000mm/-0.015mm): for all other size codes, +.0000”/-.0008” (+0.000mm/-0.020mm)






D

N

G

TY

MBOutside

Diameter

JOuter

Ring Width


KMB35 - M

B MB35 Series M

edium D

uty Centrik-Lok Ball BearingKMB35

Size Code

Shaft Diameter Part Number B

O.D.

J Outer

Ring WidthD G M N

T

Y Approx. WeightWidth Tap Size

206 1 KMB351-PA♦●□Δ 2.4409 0.7087 1 19/64 0.3970 1 13/16 1.587 7/16 1/4-28 0.202 0.92207 1 3/16 KMB351-316-PA♦●□Δ 2.8346 0.7480 1 15/32 0.4420 2 1.847 7/16 5/16-24 0.227 1.30208 1 7/16 KMB351-716-PA♦●□Δ 3.1496 0.8661 1 9/16 0.4740 2 1/4 2.083 7/16 5/16-24 0.263 1.61209 1 1/2 KMB351-12-PA♦●□Δ 3.3465 0.8661 1 19/32 0.4770 2 1/2 2.281 7/16 5/16-24 0.256 1.93

2101 11/16 KMB351-1116-PA♦●□Δ

3.5433 0.8661 1 41/64 0.4860 2 3/4 2.475 9/16 3/8-24 0.256 2.291 3/4 KMB351-34-PA♦●□Δ

211 1 15/16 KMB351-1516-PA♦●□Δ 3.9370 0.9843 1 3/4 0.5410 2 7/8 2.749 9/16 3/8-24 0.298 2.58212 2 3/16 KMB352-316-PA♦●□Δ 4.3307 1.0630 1 57/64 0.5820 3 1/8 3.012 9/16 3/8-24 0.330 3.44

2142 7/16 KMB352-716-PA●□Δ♦

4.9213 1.1545 2 5/64 0.6440 3 3/4 3.433 9/16 3/8-24 0.266 4.672 1/2 KMB352-12-PA●□Δ♦

215 2 11/16 KMB352-1116-PA●□Δ♦ 5.1181 1.1835 2 1/8 0.6590 3 15/16 3.632 9/16 3/8-24 0.266 4.78

2162 15/16 KMB352-1516-PA●□Δ♦

5.5118 1.2575 2 3/16 0.6960 4 3/16 3.920 9/16 3/8-24 0.282 5.803 KMB353-PA●□Δ♦

2183 3/16 KMB353-316-PA●□Δ♦

6.2992 1.3945 2 23/64 0.8040 4 13/16 4.396 9/16 3/8-24 0.3138.71

3 7/16 KMB353-716-PA●□Δ♦ 7.823 1/2 KMB353-12-PA●□Δ♦ 7.63


Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions


Size Code

Shaft Diameter

Part Number

B O.D.

J Outer Ring

WidthD G N S T Y Approx.

Weight

206 1 MB351-PA♦●□Δ 2.4409 0.7087 1 11/32 0.3920 1.587 0.31 1/4-28 0.202 0.72207 1 3/16 MB351-316-PA♦●□Δ 2.8346 0.7480 1 9/16 0.4540 1.847 0.34 5/16-24 0.227 1.03208 1 7/16 MB351-716-PA♦●□Δ 3.1496 0.8661 1 21/32 0.4850 2.083 0.34 5/16-24 0.263 1.32209 1 1/2 MB351-12-PA♦●□Δ 3.3465 0.8661 1 49/64 0.5320 2.281 0.36 5/16-24 0.256 1.62

2101 11/16 MB351-1116-PA♦●□Δ

3.5433 0.8661 1 13/16 0.5320 2.475 0.38 3/8-24 0.2561.82

1 3/4 MB351-34-PA♦●□Δ 1.74211 1 15/16 MB351-1516-PA♦●□Δ 3.9370 0.9843 1 13/16 0.5370 2.749 0.38 3/8-24 0.298 2.36212 2 3/16 MB352-316-PA♦●□Δ 4.3307 1.0630 1 57/64 0.5780 3.012 0.38 3/8-24 0.330 2.97

2142 7/16 MB352-716-PA●□Δ♦

4.9213 1.1545 2 15/64 0.8040 3.433 0.37 3/8-24 0.2664.39

2 1/2 MB352-12-PA●□Δ♦ 4.25215 2 11/16 MB352-1116-PA●□Δ♦ 5.1181 1.1835 2 17/64 0.8040 3.632 0.37 3/8-24 0.266 4.49

2162 15/16 MB352-1516-PA●□Δ♦

5.5118 1.2575 2 23/64 0.8630 3.920 0.37 3/8-24 0.2825.53

3 MB353-PA●□Δ♦ 5.40

2183 3/16 MB353-316-PA●□Δ♦

6.2992 1.3945 2 33/64 0.9620 4.396 0.37 3/8-24 0.3138.23

3 7/16 MB353-716-PA●□Δ♦ 7.343 1/2 MB353-12-PA●□Δ♦ 7.15

Broad range of sealing optionsSpring locking setscrew mountSealed & relubricatableSpherical O.D.See Features & Benefits for additional info.

Rep

lace

men

t Ins

ert








TY

S G

N

D

BOutside

Diameter

JOuter

Ring Width


MB3

5 -

MB

MB3

5 Se

ries

Med

ium

Dut

y Sp

ring

Loc

king

Bal

l Bea

ring MB35


Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions

Unmounted Units - 39R

BOutsideDiameter

LSnapRingO.D.

CT KY

N

JOuter RingWidthD

S G

Size Code

Shaft Diameter Part Number B

O.D.

J Outer Ring Width

L Snap Ring O.D.

C D G K M N R

T

Y Approx. Weight Width Tap Size

204

1/2 ER8K♦● □Δ1.8504 0.6240 2 1/16

3/32 1 7/32 0.4050 3/64

1 1/8

1.154 0.049/32 #10-32

0.1420.62

5/8 ER10K♦● □Δ 1 13/64 0.553/4 ER12K♦● □Δ 1 3/8

11/32 1/4-28 0.5420.00 ER204K♦● □Δ 47.0000 15.8500 52.40 2.40 30.96 10.2900 1.20 30.60 29.310 1.00 8.70 M6X1 3.610 0.20

205

7/8 ER14K♦● □Δ2.0472 0.7490 2 17/64

3/32 1 3/8 0.5080 3/64 1 9/16 1.313 0.04 11/32 1/4-28 0.1850.65

15/16 ER15K♦● □Δ 0.631 ER16K♦● □Δ 0.61

25.00 ER205K♦● □Δ 52.0000 19.0250 57.60 2.40 34.92 12.9000 1.20 39.70 33.350 1.00 8.70 M6X1 4.700 0.30

2061 1/8 ER18K♦● □Δ

2.4409 0.8740 2 21/323/32 1 1/2 0.6250 3/64

1 13/16

1.587 0.04 7/16 1/4-28 0.2240.96

1 3/16 ER19K♦● □Δ2

0.941 1/4 ER20SK♦● □Δ 0.90

2071 1/4 ER20K♦● □Δ

2.8346 0.9365 3 5/641/8 1 11/16 0.6880 1/16

21.847 0.04 7/16 5/16-24 0.256

1.751 3/8 ER22K♦● □Δ

2 1/41.70

1 7/16 ER23K♦● □Δ 1.62

2081 1/2 ER24K♦● □Δ 3.1496 1.0927 3 25/64

1/8 1 15/16 0.7500 1/16 2 1/2 2.083 0.06 7/16 5/16-24 0.297 2.1840.00 ER208K♦● □Δ 80.0000 27.7550 86.10 3.20 49.22 19.0500 1.60 63.50 52.910 1.60 11.10 M8X1.25 7.540 1.00

2091 5/8 ER26K♦● □Δ

3.3465 1.0927 3 19/321/8 1 15/16 0.7500 1/16

2 1/2

2.281 0.06 7/16 5/16-24 0.2972.28

1 11/16 ER27K♦● □Δ2 11/16

2.221 3/4 ER28K♦● □Δ 2.15

2101 7/8 ER30K♦● □Δ

3.5433 1.1240 3 25/321/8 2 1/32 0.7500 3/32 2 7/8 2.475 0.06 9/16 3/8-24 0.265

2.751 15/16 ER31K♦● □Δ 2.61

2112 ER32K♦● □Δ

3.9370 1.1860 4 11/641/8 2 3/16 0.8750 3/32

2 7/8 2.749 0.08 9/16 3/8-24 0.2983.38

2 3/16 ER35K♦● □Δ 3 1/8 3.07

2122 1/4 ER36K♦● □Δ

4.3307 1.2490 4 9/161/8 2 9/16 1.0000 3/32

3 1/8

3.012 0.08 9/16 3/8-24 0.3304.48

2 3/8 ER38K♦● □Δ3 3/8

4.382 7/16 ER39K♦● □Δ 4.19

2142 1/2 ER40K♦● □Δ

4.9213 1.3740 5 9/325/32 2 3/4 1.0620 7/64

3 3/4 3.433 0.08 9/16 3/8-24 0.3745.92

2 11/16 ER43K♦● □Δ 3 15/16 5.49

2152 7/8 ER46K♦● □Δ

5.1181 1.4990 5 1/25/32 3 1/16 1.3130 7/64 4 3/16 3.632 0.08 9/16 3/8-24 0.374

6.602 15/16 ER47K♦● □Δ 6.37

2163 ER48K♦● □Δ

5.5118 1.6865 5 7/85/32 3 1/4 1.3130 7/64 4 3/16 3.920 0.12 9/16 3/8-24 0.406

8.053 3/16 ER51K♦● □Δ 7.56

Broad range of sealing optionsCentrik-Lok shaft locking deviceSealed & relubricatableCylindrical O.D.O.D. mounted snap ringSee Features & Benefits for additional info.

Please call 1-866-REXNORD for availabilityBearing O.D. tolerance for size code 204, +.0000”/-.0005” (+0.000mm/-0.013mm): for size code 205 thru 208, +.0000”/-.0006”







Photo Shows an ER Adapter Series Ball Bearing Unit

R

M

C

T

KY

N

D

G

BOutside

Diameter

LSnapRingO.D.

JOuter Ring

Width

ER-K - M

B ER Adapter Series Centrik-Lok Ball Bearing Insert

ER-K


Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions


R

BOutside

Diameter

LSnapRingO.D.

C

T

KY

N

JOuter Ring

WidthD

SG

Broad range of sealing optionsSpring locking setscrew mountSealed & relubricatableCylindrical O.D.O.D. mounted snap ringSee Features & Benefits for additional info.

Please call 1-866-REXNORD for availabilityBearing O.D. tolerance for size code 204, +.0000”/-.0005” (+0.000mm/-0.013mm): for size code 205 thru 208, +.0000”/-.0006”







Photo Shows an ER Adapter Series Ball Bearing Unit

ER -

MB

ER A

dapt

er S

erie

s Sp

ring

Loc

king

Bal

l Bea

ring

Inse

rt ER

Size Code

Shaft Diameter

Part Number

B O.D.

J Outer Ring Width

L Snap Ring O.D.

C D G K N R S T Tap Size Y Approx.

Weight

204

1/2 ER8♦● □Δ1.8504 0.6240 2 1/16

3/32 1 7/32 0.4050 3/64 1.154 0.04 15/64#10-32

0.1420.62

5/8 ER10♦● □Δ 0.553/4 ER12♦● □Δ 1/4-28 0.54

205

7/8 ER14♦● □Δ2.0472 0.7490 2 17/64

3/32 1 3/8 0.5080 3/64 1.313 0.04 15/64 1/4-28 0.1850.65

15/16 ER15♦● □Δ 0.631 ER16♦● □Δ 0.61

25.00 ER205♦● □Δ 52.0000 19.0250 57.60 2.40 34.92 12.9000 1.20 33.350 1.00 2.00 M6X1 4.700 0.30

206

1 1/8 ER18♦● □Δ2.4409 0.8740 2 21/32

3/32 1 1/2 0.6250 3/64 1.587 0.04 1/4 1/4-28 0.2240.96

1 3/16 ER19♦● □Δ 0.941 1/4 ER20S♦● □Δ 0.90

30.00 ER206♦● □Δ 62.0000 22.2000 67.50 2.40 38.10 15.8800 1.20 40.310 1.00 6.40 M6X1 5.690 0.40

2071 1/4 ER20♦● □Δ

2.8346 0.9365 3 5/641/8 1 11/16 0.6880 1/16 1.847 0.04 21/64 5/16-24 0.256

1.751 3/8 ER22♦● □Δ 1.701 7/16 ER23♦● □Δ 1.62

2081 1/2 ER24♦● □Δ 3.1496 1.0927 3 25/64

1/8 1 15/16 0.7500 1/16 2.083 0.06 3/8 5/16-24 0.297 2.1840.00 ER208♦● □Δ 80.0000 27.7550 86.10 3.20 49.22 19.0500 1.60 52.910 1.60 9.50 M8X1.25 7.540 1.00

2091 5/8 ER26♦● □Δ

3.3465 1.0927 3 19/321/8 1 15/16 0.7500 1/16 2.281 0.06 3/8 5/16-24 0.297

2.281 11/16 ER27♦● □Δ 2.221 3/4 ER28♦● □Δ 2.15

2101 7/8 ER30♦● □Δ

3.5433 1.1240 3 25/321/8 2 1/32 0.7500 3/32 2.475 0.06 3/8 3/8-24 0.265

2.751 15/16 ER31♦● □Δ 2.61

2112 ER32♦● □Δ

3.9370 1.1860 4 11/641/8 2 3/16 0.8750 3/32 2.749 0.08 3/8 3/8-24 0.298

3.382 3/16 ER35♦● □Δ 3.07

2122 1/4 ER36♦● □Δ

4.3307 1.2490 4 9/161/8 2 9/16 1.0000 3/32 3.012 0.08 3/8 3/8-24 0.330

4.482 3/8 ER38♦● □Δ 4.382 7/16 ER39♦● □Δ 4.19

2142 1/2 ER40♦● □Δ

4.9213 1.3740 5 9/325/32 2 3/4 1.0620 7/64 3.433 0.08 3/8 3/8-24 0.374

5.922 11/16 ER43♦● □Δ 5.49

2152 7/8 ER46♦● □Δ

5.1181 1.4990 5 1/25/32 3 1/16 1.3130 7/64 3.632 0.08 3/8 3/8-24 0.374

6.602 15/16 ER47♦● □Δ 6.37

2163 ER48♦● □Δ

5.5118 1.6865 5 7/85/32 3 1/4 1.3130 7/64 3.920 0.12 3/8 3/8-24 0.406

8.053 3/16 ER51♦● □Δ 7.56


Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions


Size Code

Shaft Diameter

Part Number

B O.D.

J Outer Ring

WidthD G K N R r S T Approx.

Weight

2031/2 MSL8♦● □Δ

1.5748 0.5118 31/32 0.3910 7/64 0.941 0.024 0.024 3/16 #10-32 0.245/8 MSL10♦● □Δ204 3/4 MSL12♦● □Δ 1.8504 0.5906 1 5/32 0.4380 9/64 1.121 0.039 0.039 3/16 #10-32 0.35205 1 MSL16♦● □Δ 2.0472 0.5906 1 7/32 0.4520 9/64 1.313 0.039 0.039 7/32 1/4-28 0.39

2071 1/4 MSL20♦● □Δ

2.8346 0.7480 1 17/32 0.5930 7/32 1.847 0.039 0.039 1/4 1/4-28 1.001 3/8 MSL22♦● □Δ1 7/16 MSL23♦● □Δ

Broad range of sealing optionsWide inner ring for increased shaft stabilitySpring locking setscrew mountSealed & non-relubricatableCylindrical O.D.See Features & Benefits for additional info.

Please call 1-866-REXNORD for availabilityBearing bore tolerance, +.0005”/-.0000” (+0.013mm/-0.000mm)Bearing O.D. tolerance for size code 203 thru 204, +.0000”/-.0005”


Lip seals standard♦ Available with E1 viton sealsAvailable with free running style seals, add suffix ● FF, □ HFF or Δ MHFF




Photo Shows an Unmounted Ball Bearing Unit with Cylindrical Outside Diameter

RT

r K

BOutside

Diameter

N

SG

JOuter

Ring WidthD

MSL - M

B MSL W

ide Series Spring Locking Ball Bearing InsertMSL


Bearing Drawing

Additional Notes

Product Features

Bearing Dimensions


Broad range of sealing optionsSpring locking setscrew mountSealed & non-relubricatableCylindrical O.D.See Features & Benefits for additional info.

Please call 1-866-REXNORD for availabilityBearing bore tolerance, +.0005”/-.0000” (+0.013mm/-0.000mm)Bearing O.D. tolerance for size code 203 thru 204, +.0000”/-.0005”


Lip seals standard♦ Available with E1 viton sealsAvailable with free running style seals, add suffix ● FF, □ HFF or Δ MHFF




Photo Shows an Unmounted Ball Bearing Unit with Cylindrical Outside Diameter

RT

r K

BOutside

Diameter

N

SG

JOuter

Ring WidthD

MSL

N -

MB

MSL

N N

arro

w S

erie

s Sp

ring

Loc

king

Bal

l Bea

ring

Inse

rt MSLN

Size Code

Shaft Diameter

Part Number

B O.D.

J Outer Ring

WidthD G K N R r S T Approx.

Weight

2031/2 MSLN8♦● □Δ

1.5748 0.5118 51/64 0.2770 0 0.941 0.024 0.024 3/16 #10-32 0.225/8 MSLN10♦● □Δ204 3/4 MSLN12♦● □Δ 1.8504 0.5906 15/16 0.2940 0 1.121 0.039 0.039 3/16 #10-32 0.32205 1 MSLN16♦● □Δ 2.0472 0.5906 15/16 0.3090 0 1.313 0.039 0.039 7/32 1/4-28 0.34

chumacera

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