Motion Control Coupling Hub Angular Misalignment 0.5 Degrees Axial Motion 0.008 in Coupling Size OCT36 Outside Diameter 2.25 in Over-Standard Parallel Misalignment 0.225 in Parallel Misalignment 0.01 in Coupling Overall Length 3.1 in Hub Material Aluminum Length through Bore 1.13 in System of Measurement Inch Bore Diameter 1/2 in Maximum Speed 4 500 RPM Bore Type Round Shaft Locking Type Clamp On Keyway Depth Not Applicable Keyway Width Not Applicable