Zero Backlash Couplings - DieQua Corporation

R+W Model BK8 - 2D & 3D CAD Drawing Downloads

One side with a single radial clamping screw on one hub ISO 4762. The other side with flange-connection and a seperate intermediate flange. Compact design and easy to assemble. Corrosion resistant. Suited for space restricted installations.
R+W Model BK8
Series
15
60
150
300
1500
Robot flange centering diameter (mm)
40h7
63h7
80h7
100h7
160h7
Robot flange bolt circle/thread Ø (mm)
31.5
8xM5
50
8xM6
63
12xM6
80
12xM8
125
2xM10
Max. torque* (Nm)
50
210
380
450
2600
Length -2 (mm)
A1
48.5
67
72
90
140
Length -2 (mm)
A2
68
97
100
128
190
Outer diameter (mm)
B1
49
66
82
110
157
Flange diameter (mm)
B2
63.5
86
108
132
188
Fit length (mm)
C1
16.5
23
27.5
34
55
Inner diameter Ø H7 (mm)
D1
12-28
14-35
19-42
24-60
50-80
Hub bolt circle (mm)
DL
56.5
76
97
120
170
Fastening threads
DL
10xM4
10xM5
10xM6
12xM6
18xM8
Fastening screw ISO 4762 E
1xM5
1xM8
1xM10
1xM12
2xM20
Tightening torque (Nm) E
8
45
80
120
470
Distance (mm)
G
6.5
9.5
11
12
22.5
Download - 2D DXF
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Download - 3D Step