Keyless Bushing Flange Type Not Applicable For Bore Diameter 3 3/8 in Keyless Bushing Type Multi-Screw Locking Assembly Material Steel Outside Diameter 5 7/64 in Overall Width 3.543 in System of Measurement Inch Finish Oil Dipped Hub Contact Pressure 32 514.779 psi Maximum Transmitted Torque 1 069 ft-lb Outside Diameter Tolerance +0/-.002 in