Jaw Coupling Hub Coupling Size MJC33 Outside Diameter 33.3 mm Coupling Overall Length 44.5 mm System of Measurement Metric Hub Material Aluminum Maximum Speed 8 000 RPM Keyway Depth 2.3 mm Keyway Width 5 mm Bore Diameter 14 mm Shaft Locking Type Clamp On Bore Type Round Bore with Keyway Jaw Profile Curved Screw Thread Size M3 Bore Tolerance +0.05/-0.00 mm Fail Safe Yes Shaft Tolerance +0.000/-0.013 mm Full Bearing Support Required Yes Hub Diameter 33.3 mm