Stepper Motor Five Phase Voltage 3.64V DC/Phase NEMA 34 / 85mm Frame Max Holding Torque 13.73nm / 1944.23 oz-in Rotor Inertia 2 700 g/sq cm Amps per Phase 2.8 A Max Ambient Temp 50 Degrees C Motor Shaft Rotation CW/CCW Motor Mounting Type Face Shaft Dia 18 mm Shaft Length 32 mm Motor Shaft Design Geared