Closed Loop Stepper Motor 3Nm Nema23  Hybrid Encoder. 

The standard series 2-phase stepper motor offers balanced performance by high torque,low vibration and low noise.The PK series 2 phase stepper motor with encoder offer high torque and precise feedback capability.

MOTOR SPECIFICATION

• Number of phase:2
• Holding Torque: 3Nm
• Rated Current:/phase: 4.2A
• Phase resistance: 0.82 ohms 
• Inductance: 3.6mH +/-20% 1KHz inductance
• Frame size: 57 x 57 mm
• Body length: 113 mm
• Shaft Diameter: 8 mm
• Shaft length: 37 mm
• Keyway shaft length: 21 mm
• Lead length: 300 mm