Zero Backlash Couplings - DieQua Corporation
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R+W Model BK7 - 2D & 3D CAD Drawing Downloads

An expandable male shaft incorporated with a bellows coupling with clamping hub. For hollow shaft mounting. Suited for space restricted installations. Easy mounting.

R+W Model BK7

Series

15

30

60

150

300

Rated torque (Nm)
TKN

15

30

60

150

300

Overall length (mm)
A

45

52

53

61

62

72

71

83

84

98

Outer diameter of bellow (mm)
B

49

55

66

81

110

Fit length (mm)
C1

22

27

32

36

43

Inner diameter Ø H7 (mm)
D1

8-28

10-30

12-37

19-42

30-60

Fit length (mm)
C2

20

25

27

32

45

Shaft diameter Ø H7 (mm)
D2

13-25

14-30

23-38

26-42

38-60

Fastening screws ISO 4762
E1/2

M5

M6

M8

M10

M12

Tightening torque of the mounting screw (Nm)
E1/2

8

14

38

65

120

Distance between centers (mm)
F

17

19

23

27

39

Distance (mm)
G

6.5

7.5

9.5

11

13

Download - 2D DXF

Download - 3D Step


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