Motion Control Coupling Hub Angular Misalignment 0.5 Degrees Axial Motion 0.1 mm Coupling Size MOCC25 Outside Diameter 25.4 mm Over-Standard Parallel Misalignment 2.54 mm Parallel Misalignment 0.2 mm Coupling Overall Length 31.8 mm Hub Material Aluminum Length through Bore 11.9 mm System of Measurement Metric Bore Diameter 8 mm Maximum Speed 4 500 RPM Bore Type Round Keyed Shaft Locking Type Clamp On Keyway Depth 1.1 mm Keyway Width 2 mm Screw Seating Torque 2.1 N-m