Features
-30 °C to +100 °C (-22 °F to +212 °F)
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
| BKM 20 | BKM 200 | BKM 400 | BKM 1000 | |
| Model | BKM 20 40 | BKM 200 59 | BKM 400 75 | BKM 1000 89 |
| Rated torque (Nm) | 20 | 200 | 400 | 1,000 |
| Coupling length (mm) | 40 | 59 | 75 | 89 |
| Bore diameter from ? to ? H7 (mm) | 15-28 | 24-35 | 32-42 | 40-60 |
| Outside diameter (mm) | 49 | 66 | 82 | 110 |
| Torsional stiffness (103 Nm/rad) | 41.9 | 138 | 170 | 570 |
| Hub material | 鋁 | 鋁 | 鋁 | 鋼 |
| Speed max. with G=2.5 (rpm) | 80,000 | 60,000 | 50,000 | 40,000 |
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