Stepper Motor Five Phase Voltage 2.27V DC/Phase NEMA 24 / 60mm Frame Max Holding Torque 1.63nm / 230.53 oz-in Rotor Inertia 560 g/sq cm Amps per Phase 1.4 A Max Ambient Temp 50 Degrees C Motor Shaft Rotation CW/CCW Motor Mounting Type Face Shaft Dia 8 mm Shaft Length 22 1/2 mm Motor Shaft Design Solid