Keyless Bushing Trantorque Mini Shaft Dia 0.5625 In. Shaft Dia Tolerance +/- .0015 Outside Dia 1.0000 In. Outside Dia Tolerance +/- .0015 Overall Length 1.1250 In. Transmissible Torque 1066 Ft.-Lbs. Transmissible Thrust 3790 Lbs. Hub Contact Pressure 16084 PSI Withstand Temp Up to 400 Deg. F