Keyless Bushing Flange Type Not Applicable For Bore Diameter 1 1/2 in Keyless Bushing Type Multi-Screw Locking Assembly Material Steel Outside Diameter 2 35/64 in Overall Width 1.024 in System of Measurement Inch Finish Oil Dipped Hub Contact Pressure 32 990.946 psi Maximum Transmitted Torque 65 ft-lb Outside Diameter Tolerance +0/-.002 in