Motion Control Coupling Hub Angular Misalignment 0.5 Degrees Axial Motion 0.004 in Coupling Size OCT16 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 0.467 in System of Measurement Inch Bore Diameter 5/16 in Maximum Speed 4 500 RPM Bore Type Round Shaft Locking Type Clamp On Keyway Depth Not Applicable Keyway Width Not Applicable