Keyless Bushing Flange Type Not Applicable For Bore Diameter 2 9/16 in Keyless Bushing Type Multi-Screw Locking Assembly Material Steel Outside Diameter 3 47/64 in Overall Width 1.26 in System of Measurement Inch Finish Oil Dipped Hub Contact Pressure 34 542.238 psi Maximum Transmitted Torque 234 ft-lb Outside Diameter Tolerance +0/-.002 in