Motion Control Coupling Hub Angular Misalignment 0.5 Degrees Axial Motion 0.15 mm Coupling Size MOCC41 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 16 mm Maximum Speed 4 500 RPM Bore Type Round Keyed Shaft Locking Type Clamp On Keyway Depth 2.4 mm Keyway Width 5 mm Screw Seating Torque 4.6 N-m