Features
R+W bellows couplings are fatigue resistant and wear free for an infinite service life, as long as the technical limits are not exceeded
Overall shaft / hub clearance of 0.01 – 0.025 mm
Various materials, tolerances, dimensions and performance ratings available for custom applications on request
| BK7 15 | BK7 30 | BK7 60 | BK7 150 | BK7 300 | ||||||
| Model | BK7 15 45 | BK7 15 52 | BK7 30 53 | BK7 30 61 | BK7 60 62 | BK7 60 72 | BK7 150 71 | BK7 150 83 | BK7 300 84 | BK7 300 98 |
| Rated torque (Nm) | 15 | 15 | 30 | 30 | 60 | 60 | 150 | 150 | 300 | 300 |
| Coupling length (mm) | 45 | 52 | 53 | 61 | 62 | 72 | 71 | 83 | 84 | 98 |
| Bore diameter from ? to ? H7 (mm) | 8-28 | 8-28 | 10-30 | 10-30 | 12-35 | 12-35 | 19-42 | 19-42 | 30-60 | 30-60 |
| Outside diameter (mm) | 49 | 49 | 55 | 55 | 66 | 66 | 81 | 81 | 110 | 110 |
| Torsional stiffness (103 Nm/rad) | 20 | 15 | 39 | 28 | 76 | 55 | 175 | 110 | 450 | 350 |
| shaft length | 20 | 20 | 25 | 25 | 27 | 27 | 32 | 32 | 45 | 45 |
| Shaft from ? to ? h7 (mm) | 13-25 | 13-25 | 14-30 | 14-30 | 23-38 | 23-38 | 26-45 | 26-45 | 38-60 | 38-60 |
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