Metal Bellows Couplings BK
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Bellows Coupling Model BK 6 with conical sleeves and tapered press-fit connection
Series from 15 - 1500 Nm
Data table and Downloads Bellows Coupling BK 6 Series 15 - 1500 Nm
|
Model BK 6
|
Series
|
|
15
|
30
|
60
|
150
|
300
|
500
|
800
|
1500
|
|
Rated torque (Nm)
|
TKN
|
15
|
30
|
60
|
150
|
300
|
500
|
800
|
1500
|
|
Overall length (inserted) (mm)
|
A
|
58
|
65
|
68
|
76
|
79
|
89
|
97
|
109
|
113
|
127
|
132
|
145
|
140
|
158
|
|
Outside diameter (mm)
|
B
|
49
|
55
|
66
|
81
|
110
|
123
|
133
|
157
|
|
Fit length (mm)
|
C1
|
13.5
|
16.5
|
18
|
23.5
|
27
|
32
|
42
|
50
|
|
Fit length (mm)
|
C2
|
29
|
34
|
39
|
49.5
|
59
|
68
|
74
|
95
|
|
Inner diameter possible from Ø to Ø H7 (mm)
|
D1
|
10-22
|
12-24
|
12-32
|
15-40
|
24-56
|
30-60
|
40-62
|
50-72
|
|
Inner diameter possible from Ø to Ø H7 (mm)
|
D2
|
10-22
|
12-24
|
12-32
|
15-40
|
24-56
|
30-60
|
40-62
|
50-72
|
|
screw ISO 4762
|
E
|
M4
|
M5
|
M5
|
M6
|
M8
|
M8
|
M10
|
M12
|
|
Tighting torque (Nm)
|
3.5
|
6.5
|
8
|
12
|
30
|
32
|
55
|
110
|
|
Ø Diameter of clamping cone (mm)
|
F
|
46.5
|
51
|
60
|
74
|
102
|
114
|
126
|
145
|
|
(mm)
|
G
|
9.5
|
10.5
|
11.5
|
17.5
|
20
|
23
|
27
|
32
|
|
axial Pretensioning approx. (mm)
|
H
|
0.2 to 1.0
|
0.5 to 1.0
|
0.5 to 1.5
|
0.5 to 1.5
|
0.5 to 1.5
|
1.0 to 2.0
|
1.0 to 2.0
|
1.0 to 2.0
|
Axial recovery of
coupling max. ( N ) |
|
20 |
12 |
50 |
30 |
70 |
45 |
82 |
52 |
157 |
106 |
140 |
96 |
400 |
650 |
|
Moment of interia (10-³ kgm²)
|
J ges
|
0.1
|
0.12
|
0.2
|
0.25
|
0.4
|
0.45
|
2.0
|
2.5
|
5.4
|
6.1
|
8.4
|
9.1
|
19.5
|
44
|
| approx. weight (kg) |
|
0.3 |
0.32 |
0.5 |
0.52 |
0.82 |
0.84 |
1.6 |
1.7 |
4.1 |
4.2 |
6.0 |
6.3 |
9.4 |
16.2 |
|
Torsional stiffness
(103 Nm/rad)
|
CT
|
10
|
8
|
20
|
14
|
38
|
28
|
88
|
55
|
225
|
175
|
255
|
245
|
400
|
660
|
|
axial* (mm)
|
max.
values
|
0.5
|
1
|
0.5
|
1
|
0.5
|
1
|
1
|
2
|
1.5
|
2
|
2.5
|
3.5
|
3
|
2
|
|
lateral (mm)
|
0.15
|
0.2
|
0.2
|
0.25
|
0.2
|
0.25
|
0.2
|
0.25
|
0.25
|
0.3
|
0.3
|
0.35
|
0.35
|
0.35
|
|
lateral spring stiffness (N/mm)
|
Cr
|
475
|
137
|
900
|
270
|
1200
|
420
|
1550
|
435
|
3750
|
1050
|
2500
|
840
|
2000
|
3600
|
Downloads
Short Version |
15
|
30
|
60
|
150
|
300
|
500
|
800
|
1500
|
| 2D-DXF (ZIP folder) |
|
 |
|
|
|
|
|
|
|
| 3D-EXE (Viewer) |
|
 |
|
|
|
|
|
|
|
| 3D-STEP (ZIP folder) |
|
 |
|
|
|
|
|
|
|
Downloads
Long Version |
15
|
30
|
60
|
150
|
300
|
500
|
800
|
1500
|
| 2D-DXF (ZIP folder) |
|
|
|
|
|
|
|
|
|
| 3D-EXE (Viewer) |
|
|
|
|
|
|
|
|
|
| 3D-STEP (ZIP folder) |
|
|
|
|
|
|
|
|
|
*allowed following maximum pretensioning
