Jaw Coupling Hub, Coupling Size MJC15, Outside Diameter 15.1 mm, Coupling Overall Length 21.8 mm, System of Measurement Metric, Hub Material Aluminum, Maximum Speed 8,000 RPM, Keyway Depth Not Applicable, Keyway Width Not Applicable, Bore Diameter 6 mm, Shaft Locking Type Clamp On, Bore Type Round Bore, Jaw Profile Curved, Screw Thread Size M2, Bore Tolerance +0.05/-0.00 mm, Fail Safe Yes, Shaft Tolerance +0.000/-0.013 mm, Full Bearing Support Required Yes, Hub Diameter 15 mm