Motion Control Coupling Bore Diameter 1 9 mm Bore Diameter 2 6 mm Coupling Outside Diameter 25.4 mm Maximum Speed 10 000 RPM Maximum Torque 6.8 N-m Hub Material Aluminum Overall Length 33.3 mm Shaft Locking Type Clamp On System of Measurement Metric Clearance Diameter 25.4 mm Bellows Material Stainless Steel Different Bore Sizes Yes Length Through Bore 1 15.9 mm Length Through Bore 2 15.9 mm Parallel Misalignment 0.1 mm Bore Type Round Dynamic Torque Non-Reversing 3.4 N-m