Keyless Bushing Flange Type Not Applicable For Bore Diameter 3 in Keyless Bushing Type Multi-Screw Locking Assembly Material Steel Outside Diameter 4 23/32 in Overall Width 3.543 in System of Measurement Inch Finish Oil Dipped Hub Contact Pressure 33 530.866 psi Maximum Transmitted Torque 871 ft-lb Outside Diameter Tolerance +0/-.002 in