Keyless Bushing, Flange Type Not Applicable, For Bore Diameter 5/8 in, Keyless Bushing Type Single Nut Locking Assembly, Material Steel, Outside Diameter 1 in, Overall Width 1.125 in, System of Measurement Inch, Finish Oil Dipped, Hub Contact Pressure 16,084 psi, Maximum Transmitted Torque 1,184 ft-lb, Outside Diameter Tolerance +/-0.0015