Metal Bellows Couplings BK
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Bellows Coupling Model BK 1 with flange mounting
Series from 15 - 10,000 Nm
Data table and Downloads Bellows Coupling BK 1 Series 15 - 10,000 Nm
|
Model BK 1
|
Series
|
|
15
|
30
|
60
|
150
|
200
|
300
|
500
|
800
|
1500
|
4000
|
6000
|
10000
|
|
Rated torque (Nm)
|
TKN
|
15
|
30
|
60
|
150
|
200
|
300
|
500
|
800
|
1500
|
4000
|
6000
|
10000
|
|
Overall length (mm)
|
A
|
30
|
37
|
36
|
44
|
43
|
53
|
50
|
62
|
53
|
65
|
56
|
70
|
64
|
77
|
81
|
100
|
145
|
138
|
150
|
|
Outside diameter of bellows (mm)
|
B
|
49
|
55
|
66
|
81
|
90
|
110
|
123
|
133
|
157
|
200
|
253
|
303
|
|
Fit length thread depth (mm)
|
C
|
7.5
|
10
|
10
|
13
|
14
|
14
|
16
|
18
|
22
|
30
|
30
|
36
|
|
Inner diameter Ø H7 (mm)
|
D
|
25
|
28
|
38
|
50
|
58
|
65
|
70
|
75
|
85
|
100
|
145
|
190
|
|
6 x fastening threads
|
E
|
M5
|
M5
|
M6
|
M6
|
M6
|
M8
|
M8
|
M10
|
M16
|
M20
|
8xM20
|
8xM24
|
|
Hub bolt circle ± 0.2 (mm)
|
F
|
35
|
37
|
46
|
62
|
70
|
80
|
94
|
90
|
110
|
140
|
190
|
234
|
|
Outside diameter f7 (mm)
|
G
|
49
|
55
|
66
|
81
|
90
|
110
|
122
|
116
|
140
|
182
|
235
|
295
|
|
Moment of interia
(10-³ kgm²)
|
Jges
|
0.07
|
0.08
|
0.14
|
0.15
|
0.30
|
0.32
|
0.90
|
0.95
|
1.30
|
1.40
|
1.95
|
2.10
|
3.0
|
3.4
|
4.3
|
10.6
|
46
|
132
|
350
|
| approx. weight (kg) |
|
0.15 |
0.2 |
0.3 |
0.6 |
0.8 |
1.5 |
1.4 |
1.6 |
3.3 |
8.9 |
13.9 |
23.7 |
|
Torsional stiffness
(10 ³ Nm/rad)
|
CT
|
20
|
15
|
39
|
28
|
76
|
55
|
175
|
110
|
191
|
140
|
450
|
350
|
510
|
500
|
780
|
1304
|
3400
|
5700
|
10950
|
|
axial (mm)
|
max.
values
|
1
|
2
|
1
|
2
|
1.5
|
2
|
2
|
3
|
2
|
3
|
2.5
|
3.5
|
2.5
|
3.5
|
3.5
|
3.5
|
3.5
|
3
|
3
|
|
lateral (mm
|
0.15
|
0.2
|
0.2
|
0.25
|
0.2
|
0.25
|
0.2
|
0.25
|
0.25
|
0.3
|
0.25
|
0.3
|
0.3
|
0.35
|
0.35
|
0.35
|
0.4
|
0.4
|
0.4
|
|
angular (degrees)
|
1.5
|
2
|
1.5
|
2
|
1.5
|
2
|
1.5
|
2
|
1.5
|
2.2
|
1.5
|
2.2
|
1.8
|
2.3
|
2.2
|
2.2
|
2.5
|
2.5
|
2.5
|
|
axial spring stiffness (N/mm)
|
Ca
|
25
|
15
|
50
|
30
|
72
|
48
|
82
|
52
|
90
|
60
|
105
|
71
|
70
|
48
|
100
|
320
|
565
|
1030
|
985
|
|
lateral spring stiffness (N/mm)
|
Cr
|
475
|
137
|
900
|
270
|
1200
|
420
|
1550
|
435
|
2040
|
610
|
3750
|
1050
|
2500
|
840
|
2000
|
3600
|
6070
|
19200
|
21800
|
Downloads
Short Version |
15
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30
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60
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150
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200
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300
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500
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800
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1500
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4000
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6000
|
10000
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| 2D-DXF (ZIP folder) |
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| 3D-EXE (Viewer) |
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| 3D-STEP (ZIP folder) |
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Downloads
Long Version |
15
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30
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60
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150
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200
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300
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500
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800
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1500
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4000
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6000
|
10000
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| 2D-DXF (ZIP folder) |
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| 3D-EXE (Viewer) |
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| 3D-STEP (ZIP folder) |
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