Shaft
Diameter

Part
Number

B
Centerline
to Bolt Hole
Centers

C
Bolt Hole
Center to
Bolt Center

L
Mounting
Surface to
Inner Ring

U
Distance
Between
Bolt Holes

A

D

E

F

G

H

K

N

P

Approx.
Weight

3/4

WFB3S212E

111/16

7/8

111/32

11/2

21/2

11/8

23/8

3/8

7/32

5/16

3

41/4

11/32

1.20

20.00

WFB3S2M20E

42.90

22.20

34.10

38.10

63.50

28.58

60.30

10.00

5.50

7.90

76.20

108.00

8.70

0.54

7/8

WFB3S214E

113/16

11/8

129/64

15/8

23/4

111/64

21/2

3/8

9/32

3/8

33/8

43/4

19/64

1.70

15/16

WFB3S215E

1

WFB3S216E

25.00

WFB3S2M25E

46.00

28.60

38.90

41.30

69.80

29.77

63.50

10.00

7.10

9.50

85.70

120.60

7.50

0.77

11/8

WFB3S218E

21/16

11/4

15/8

17/8

31/4

111/32

23/4

3/8

9/32

3/8

33/4

53/8

3/8

2.20

13/16

WFB3S219E

11/4

WFB3S2E20E

30.00

WFB3S2M30E

52.30

31.80

43.70

47.60

82.60

34.13

69.80

10.00

7.10

9.50

95.20

136.50

9.50

1.00

11/4

WFB3S220E

23/8

11/4

159/64

2

33/4

19/16

31/4

1/2

23/64

1/2

41/4

61/8

31/64

3.20

13/8

WFB3S222E

17/16

WFB3S223E

35.00

WFB3S2M35E

60.30

31.80

48.80

50.80

95.20

39.67

82.60

12.00

9.10

12.70

108.00

155.60

12.30

1.44