Shaft
Diameter

Polyamide

Polypropylene

B
Centerline
to Bolt
Hole Center

C
Bolt Hole
Center to
Bolt Center

L
Mounting
Surface to
Inner Ring

U
Distance
Between
Bolt Holes

D

E

F

H

J

K

N

W

Approx
Weigh

1

KFBS216

KLFBS216

113/16

11/8

117/32

15/8

111/64

223/32

3/8

9/16

21/64

317/32

457/64

115/16

0.60

25.00

KFBS2M25

KLFBS2M25

46.00

28.58

38.90

41.28

29.77

69.00

10.00

14.00

51.20

89.80

124.00

49.20

0.27

13/16

KFBS219

KLFBS219

21/16

11/4

13/4

17/8

111/32

313/64

3/8

9/16

211/64

355/64

515/32

23/32

1.10

11/4

KFBS2E20

KLFBS2E20

30.00

KFBS2M30

KLFBS2M30

52.40

31.70

44.20

47.60

34.13

81.00

10.00

14.00

55.20

97.90

139.00

53.20

0.50

11/4

KFBS220

KLFBS220

23/8

11/4

17/8

2

19/16

311/16

7/16

9/16

221/64

415/64

65/64

21/4

1.60

13/8

KFBS222

KLFBS222

17/16

KFBS223

KLFBS223

35.00

KFBS2M35

KLFBS2M35

60.30

31.70

47.70

50.80

39.67

94.00

12.00

14.00

59.10

107.60

154.00

57.20

0.72