677 psi, Maximum Transmitted Torque 51 ft-lb, Outside Diameter Tolerance +0/-.024 in, System of Measurement Inch, Finish Oil Dipped, Hub Contact Pressure 30,848.Keyless Bushing, Flange Type Not Applicable, For Bore Diameter 1 3/8 in, Keyless Bushing Type Multi-Screw Locking Assembly, Material Steel, Outside Diameter 2 23/64 in, Overall Width 1.002 in.