Keyless Bushing Flange Type Not Applicable For Bore Diameter 1 1/8 in Keyless Bushing Type Multi-Screw Locking Assembly Material Steel Outside Diameter 2 5/32 in Overall Width 1.358 in System of Measurement Inch Finish Oil Dipped Hub Contact Pressure 26 484.553 psi Maximum Transmitted Torque 29 ft-lb Outside Diameter Tolerance +0/-.002 in