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 – 0.05 mm
Various materials, tolerances, dimensions and performance ratings available for custom applications on request
| BKS 15 | BKS 30 | BKS 60 | BKS 150 | BKS 300 | BKS 500 | |
| Model | BKS 15 45 | BKS 30 52 | BKS 60 66 | BKS 150 76 | BKS 300 89 | BKS 500 95 |
| Rated torque (Nm) | 15 | 30 | 60 | 150 | 300 | 500 |
| Coupling length (mm) | 45 | 52 | 66 | 76 | 89 | 95 |
| Bore diameter from Ø to Ø H7 (mm) | 12-28 | 14-32 | 14-35 | 19-42 | 24-60 | 32-75 |
| Outside diameter (mm) | 49 | 56 | 66 | 82 | 110 | 123 |
| Torsional stiffness (10³ Nm/rad) | 23 | 31 | 72 | 141 | 157 | 290 |
| Speed max. with G=2.5 (rpm) | 60,000 | 50,500 | 50,000 | 40,500 | 40,000 | 30,000 |
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