Stepper Motor Five Phase Voltage 2.42V DC/Phase NEMA 34 / 85mm Frame Max Holding Torque 6.18nm / 874.91 oz-in Rotor Inertia 4 000 g/sq cm Amps per Phase 2.8 A Max Ambient Temp 50 Degrees C Motor Shaft Rotation CW/CCW Motor Mounting Type Face Motor Shaft Design Hollow