Jaw Coupling Hub, Coupling Size MJS57, Outside Diameter 57.2 mm, Coupling Overall Length 80 mm, System of Measurement Metric, Hub Material Aluminum, Maximum Speed 8,000 RPM, Keyway Depth 2.8 mm, Keyway Width 6 mm, Bore Diameter 20 mm, Shaft Locking Type Set Screw, Bore Type Round Bore with Keyway, Jaw Profile Curved, Screw Thread Size M8, Bore Tolerance +0.05/-0.00 mm, Fail Safe Yes, Shaft Tolerance +0.000/-0.013 mm, Full Bearing Support Required Yes, Hub Diameter 57.2 mm
Socket Flat Head Screw, Head Type Flat, System of Measurement Metric, Drive Type Socket, Drive Size 12 mm, Material Steel, Material Grade/Class Class 10.9, Finish Black Oxide, Thread Size M20-2.5, Minimum Thread Length 80 mm, Fastener Length 80 mm, Head Height 10.16 mm, Head Diameter 40.32 mm, Pack Size Small Pack, Thread Style Fully Threaded, Special Features Not Applicable, Countersink Angle 90 Degrees , Dimensional Standards ISO 10642, Flange Diameter Not Applicable