Jaw Coupling Hub Coupling Size JC32 Outside Diameter 2 in Coupling Overall Length 2 13/32 in System of Measurement Inch Hub Material Aluminum Maximum Speed 8 000 RPM Keyway Depth 1/8 in Keyway Width 1/4 in Bore Diameter 1 in Shaft Locking Type Clamp On Bore Type Round Bore with Keyway Jaw Profile Curved Screw Thread Size M5 Bore Tolerance +0.002/-0.000 in Fail Safe Yes Shaft Tolerance +0.0000/-0.0005 in Full Bearing Support Required Yes Hub Diameter 2 in