Keyless Bushing, Flange Type Not Applicable, For Bore Diameter 1 in, Keyless Bushing Type Single Nut Locking Assembly, Material Steel, Outside Diameter 1 3/4 in, Overall Width 1.875 in, System of Measurement Inch, Finish Oil Dipped, Hub Contact Pressure 9,400 psi, Maximum Transmitted Torque 292 ft-lb, Outside Diameter Tolerance +/-0.003