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 114 mm System of Measurement Metric Finish Oil Dipped Hub Contact Pressure 30 526.734 psi Maximum Transmitted Torque 1 707 ft-lb Outside Diameter Tolerance +0/-.002 in