Bellows Coupling Bore Diameter 1 25 mm Bore Diameter 2 20 mm Coupling Outside Diameter 57.2 mm Maximum Speed 10 000 RPM Maximum Torque 60 N-m Hub Material Aluminum Overall Length 82.2 mm Shaft Locking Type Clamp On System of Measurement Metric Clearance Diameter 57.2 mm Bellows Material Stainless Steel Different Bore Sizes No Length Through Bore 1 38 mm Length Through Bore 2 38 mm Parallel Misalignment 0.3 mm Bore Type Round Keyed Dynamic Torque Non-Reversing 30 N-m