Metal Bellows Couplings BK
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Bellows Coupling Model BK8 for robot gears with flange connection
Series from 15 - 1500 Nm
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Data table Bellows
Coupling BK8 design series 15 - 1500 Nm
| 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
8x M5 | 50
8x M6 | 63
12x M6 | 80
12 M8 | 125
12x M10 |
| Max. torque* (Nm) |
| 50 | 210 | 380 | 750 | 2600 |
| Length -2 (mm) |
A1 | 49 | 67 | 72 | 90 | 140 |
| Length -2 (mm) |
A2 | 68 | 97 | 100 | 128 | 190 |
| Outher diameter (mm) |
B1 | 49 | 66 | 82 | 110 | 157 |
| Flange diameter (mm) |
B2 | 63,5 | 86,5 | 108 | 132 | 188 |
| Fit length (mm) |
C1 | 16,5 | 23 | 27,5 | 34 | 55 |
| Inner diameter possible from Ø to 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 | 10x M4 | 10x M5 | 10x M6 | 12x M6 | 16x M8 |
| Fastening screws ISO 4762 |
E | 1x M5 | 1x M8 | 1x M10 | 1x M12 | 2x M20 |
| Tightening torque (Nm) |
E | 8 | 45 | 80 | 120 | 470 |
| Distance (mm) |
F | 1x17,5 | 1x23 | 1x27 | 1x39 | 2x55 |
| Distance (mm) |
G | 6,5 | 9,5 | 11 | 13 | 22,5 |
| Approx. weight (kg) |
| 0,3 | 0,7 | 1 | 2,8 | 10 |
| Moment of interia (10-3 kgm2) |
Jges | 0,15 | 0,65 | 1,3 | 5,5 | 45 |
Axial (mm) |
max. | 1 | 1,5 | 2 | 2,5 | 3 |
Lateral (mm) |
max. | 0,25 | 0,25 | 0,25 | 0,25 | 0,25 |
Angular (degrees) |
max. | 1 | 1 | 1 | 1 | 1 |
| Downloads |
15 |
60 |
150 |
300 |
1500 |
| 3D-STEP (ZIP folder) |
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*max. torque transmittable for a short-therm
period on max. diameter.
Ordering example
Required
information for Servo Bellows Coupling model BK8
Last update: 2010-03-11
