Basic Bearing No.

Bore
d
mm inch

Outer Diameter
D
Mm  inch

Width
W

Radius
r

mm   inch

Basic Load
Rating KN

Open
mm  inch

Shield
Seal
mm  inch

Dynamic
C

Static
C₀

R156

R166

R3

R3A

R168

R188

R4

R4A

R6

R8

R8-7

R10

R12

99502H

4.763     .1875

4.763     .1875

4.763     .1875

4.763     .1875

6.350     .2500

6.350     .2500

6.350     .2500

6.350     .2500

9.525     .3750

12.700   .5000

11.113   .4375

15.875   .6250

19.050   .7500

15.875   .6250

7.938      .3125

9.525      .3750

12.700    .5000

12.700    .5000

9.525      .3750

12.700    .5000

15.875    .6250

19.050    .7500

22.225    .8750

28.575  1.1250

28.575  1.1250

34.925  1.3750

41.275  1.6250

34.925  1.3750

2.78 .1094

3.18 .1250

3.97 .1562

4.98 .1960

3.18 .1250

3.18 .1250

4.98 .1960

5.56 .2188

5.56  .2188

6.35 .2500

6.35 .2500

7.14 .2812

7.94 .3125

......

3.18     .1250

3.18     .1250

4.98     .1960

4.98     .1960

3.18     .1250

4.76     .1875

4.98     .1960

7.14     .2812

7.14     .2812

7.94     .3125

......

8.73     .3438

11.11   .4375

11         .4331

0.1      .004

0.1      .004

0.15    .006

0.15    .006

0.1      .004

0.15    .006

0.2      .008

0.3      .012

0.3      .012

0.3      .012

0.3      .012

0.6      .024

0.6      .024

0.6      .024

0.395

0.710

1.31

1.31

0.268

0.83

1.48

2.34

3.30

3.912

3.912

4.605

7.246

7.75

0.143

0.268

0.49

0.49

0.136

0.37

0.615

0.885

1.40

2.245

2.245

2.774

4.445

3.60