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
| BK4 15 | BK430 | BK4 60 | BK4 150 | |||||
| Model | BK4 15 47 | BK4 15 54 | BK4 30 68 | BK4 30 76 | BK4 60 72 | BK4 60 82 | BK4 150 82 | BK4 150 94 |
| Rated torque (Nm) | 15 | 15 | 30 | 30 | 60 | 60 | 150 | 150 |
| Coupling length (mm) | 47 | 54 | 68 | 76 | 72 | 82 | 82 | 94 |
| Bore diameter from ? to ? H7 (mm) | 10-22 | 10-22 | 12-23 | 12-23 | 12-29 | 12-29 | 15-37 | 15-37 |
| Outside diameter (mm) | 49 | 49 | 55 | 55 | 66 | 66 | 81 | 81 |
| Torsional stiffness (103 Nm/rad) | 20 | 15 | 39 | 28 | 76 | 55 | 175 | 110 |
| Taper Diameter ?(Fanuc motor (mm) | 11 | 11 | 16 | 16 | 16 | 16 | 16 | 16 |
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