Keyless Bushing Flange Type Not Applicable For Bore Diameter 2 7/8 in Keyless Bushing Type Multi-Screw Locking Assembly Material Steel Outside Diameter 4 33/64 in Overall Width 1.496 in System of Measurement Inch Finish Oil Dipped Hub Contact Pressure 35 708.19 psi Maximum Transmitted Torque 365 ft-lb Outside Diameter Tolerance +0/-.002 in