Keyless Bushing Flange Type Not Applicable For Bore Diameter 100 mm Keyless Bushing Type Multi-Screw Locking Assembly Material Steel Outside Diameter 145 mm Overall Width 45 mm System of Measurement Metric Finish Oil Dipped Hub Contact Pressure 35 222.367 psi Maximum Transmitted Torque 732 ft-lb Outside Diameter Tolerance +0/-0.002 in