Keyless Bushing, Flange Type Not Applicable, For Bore Diameter 1 1/2 in, Keyless Bushing Type Single Nut Locking Assembly, Material Steel, Outside Diameter 2 3/8 in, Overall Width 2.75 in, System of Measurement Inch, Finish Oil Dipped, Hub Contact Pressure 6,500 psi, Maximum Transmitted Torque 583 ft-lb, Outside Diameter Tolerance +/-0.003