Servo Gearbox, 14mm Clamping Hub, Nominal Output Torque: 6.5Nm.,Maximum Output Torque: 13Nm during Acceleration, 22Nm Maximum, 26Nm during Emergency Stop.,Input speed: 4000 rpm Nominal (average), 10000 rpm Maximum.,Backlash: <13 arcmin.,Efficiency: 95% at full load.