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 60 mm System of Measurement Metric Finish Oil Dipped Hub Contact Pressure 25 226.537 psi Maximum Transmitted Torque 84 ft-lb Outside Diameter Tolerance +0/-.002 in