Motion Control Coupling Hub Angular Misalignment 0.5 Degrees Axial Motion 0.004 in Coupling Size OCC16 Outside Diameter 1 in Over-Standard Parallel Misalignment 0.1 in Parallel Misalignment 0.008 in Coupling Overall Length 1.25 in Hub Material Aluminum Length through Bore 0.469 in System of Measurement Inch Bore Diameter 3/8 in Maximum Speed 4 500 RPM Bore Type Round Keyed Shaft Locking Type Clamp On Keyway Depth 3/64 in Keyway Width 3/32 in Screw Seating Torque 2.1 N-m