Motion Control Coupling Hub Angular Misalignment 0.5 Degrees Axial Motion 0.15 mm Coupling Size MOST41 Outside Diameter 41.3 mm Over-Standard Parallel Misalignment 4.13 mm Parallel Misalignment 0.25 mm Coupling Overall Length 50.8 mm Hub Material Aluminum Length through Bore 18 mm System of Measurement Metric Bore Diameter 19 mm Maximum Speed 4 500 RPM Bore Type Round Shaft Locking Type Set Screw Keyway Depth Not Applicable Keyway Width Not Applicable Screw Seating Torque 4 N-m