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

1/2

ER8

1.8504

0.6240

2 1/16

3/32

1 7/32

0.4050

3/64

1.154

0.04

15/64

#10-32

0.142

0.62

5/8

ER10

0.55

3/4

ER12

1/4-28

0.54

7/8

ER14

2.0472

0.7490

2 17/64

3/32

1 3/8

0.5080

3/64

1.313

0.04

15/64

1/4-28

0.185

0.65

15/16

ER15

0.63

1

ER16

0.61

25.00

ER205

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

1 1/8

ER18

2.4409

0.8740

2 21/32

3/32

1 1/2

0.6250

3/64

1.587

0.04

1/4

1/4-28

0.224

0.96

1 3/16

ER19

0.94

1 1/4

ER20S

0.90

30.00

ER206

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

1 1/4

ER20

2.8346

0.9365

3 5/64

1/8

1 11/16

0.6880

1/16

1.847

0.04

21/64

5/16-24

0.256

1.75

1 3/8

ER22

1.70

1 7/16

ER23

1.62

1 1/2

ER24

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

2.18

40.00

ER208

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

1 5/8

ER26

3.3465

1.0927

3 19/32

1/8

1 15/16

0.7500

1/16

2.281

0.06

3/8

5/16-24

0.297

2.28

1 11/16

ER27

2.22

1 3/4

ER28

2.15

1 7/8

ER30

3.5433

1.1240

3 25/32

1/8

2 1/32

0.7500

3/32

2.475

0.06

3/8

3/8-24

0.265

2.75

1 15/16

ER31

2.61

2

ER32

3.9370

1.1860

4 11/64

1/8

2 3/16

0.8750

3/32

2.749

0.08

3/8

3/8-24

0.298

3.38

2 3/16

ER35

3.07

2 1/4

ER36

4.3307

1.2490

4 9/16

1/8

2 9/16

1.0000

3/32

3.012

0.08

3/8

3/8-24

0.330

4.48

2 3/8

ER38

4.38

2 7/16

ER39

4.19

2 1/2

ER40

4.9213

1.3740

5 9/32

5/32

2 3/4

1.0620

7/64

3.433

0.08

3/8

3/8-24

0.374

5.92

2 11/16

ER43

5.49

2 7/8

ER46

5.1181

1.4990

5 1/2

5/32

3 1/16

1.3130

7/64

3.632

0.08

3/8

3/8-24

0.374

6.60

2 15/16

ER47

6.37

3

ER48

5.5118

1.6865

5 7/8

5/32

3 1/4

1.3130

7/64

3.920

0.12

3/8

3/8-24

0.406

8.05

3 3/16

ER51

7.56