Motion Control Coupling Hub Angular Misalignment 0.5 Degrees Axial Motion 0.1 mm Coupling Size MOST25 Outside Diameter 25.4 mm Over-Standard Parallel Misalignment 2.54 mm Parallel Misalignment 0.2 mm Coupling Overall Length 28.6 mm Hub Material Aluminum Length through Bore 9.9 mm System of Measurement Metric Bore Diameter 9 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 2.2 N-m