Giddings & Lewis 401-34435-00 HSM 460 Low-inertia Brushless Servo Motor (230 Volts) | 0.00046 / (0.0041) kg-m² / (lb-in-s²) Rotor Inertia | 9.1 (20.1) kg (lb) Weight | 6.8 (60) Nm (lb-in) Continuous Torque | 21.5 (190) Nm (lb-in) Peak Torque