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 34.5 mm System of Measurement Metric Finish Oil Dipped Hub Contact Pressure 28 830.327 psi Maximum Transmitted Torque 48 ft-lb Outside Diameter Tolerance +0/-.002 in