Metal Bellows Couplings BK- rigid Shafts Couplings
Please select a Metal Bellows Coupling:
Bellows coupling model BKM with clamping hub
Series from 2 - 1000 Nm
Data table and Downloads Bellows Coupling BKM Series 2 - 1000 Nm
| Modell BKM |
Series |
| 20 |
200 |
400 |
1000 |
| Rated torque (Nm) |
TKN | 20 | 200 | 400 | 1000 |
| Overall length (mm) |
A-2 | 40 | 59 | 75 | 89 |
| Outer diameter (mm) |
B | 49 | 66 | 82 | 110 |
| Fit length (mm) |
C | 16,5 | 23 | 27,5 | 34 |
| Inner diameter possible from Ø to Ø H7 (mm) |
D1/2 | 15-28 | 24-35 | 32-42 | 40-60 |
| Fastening screws
ISO 4762 |
E | M5 | M8 | M10 | M12 |
| Tighting torque of the fastening
screw (Nm) |
E | 8 | 40 | 75 | 130 |
| Distance between centers (mm) |
F | 17 | 23 | 27 | 39 |
| Distance (mm) |
G | 6 | 9,5 | 11 | 13 |
| Moment of inertia (10-3 kgm2) |
Jges | 0,05 | 0,18 | 0,62 | 7,2 |
| Hub material (standard) (steel on request) |
| Al | Al | Al | Steel |
| approx. weight (kg) |
| 0,13 | 0,4 | 0,7 | 3,5 |
| Torsional stiffness (103 Nm/rad) |
CT | 41,9 | 138 | 170 | 570 |
axial  (mm) |
max. | 1 | 1,5 | 1 | 2 |
lateral  (mm) |
max. | 0,06 | 0,08 | 0,1 | 0,1 |
Angular  (degrees) |
max. | 0,5 | 0,5 | 0,5 | 0,5 |
| axial spring stiffness (N/mm) |
Ca | 55,8 | 153 | 114 | 148 |
| lateral spring stiffness (N/mm) |
Cr | 3710 | 11000 | 6058 | 9010 |
| Downloads |
20 |
200 |
400 |
1000 |
| 2D-DXF (ZIP-Datei) |
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(1Nm = 8.85 in lbs),
Ordering example
Required information to order a bellow coupling model BKM.
Last update: 02.09.2010
