Keyless Bushing Flange Type Not Applicable For Bore Diameter 35 mm Keyless Bushing Type Multi-Screw Locking Assembly Material Steel Outside Diameter 60 mm Overall Width 26 mm System of Measurement Metric Finish Oil Dipped Hub Contact Pressure 30 782.573 psi Maximum Transmitted Torque 51 ft-lb Outside Diameter Tolerance +0/-.002 in