NEMA 23 Lead Screw Stepper Motor High Speed: This size 57mm model is a NEMA 23 Non-captive type lead screw linear actuator stepper motor with a 76mm body length, 1.8 degree step angle and 4.2A rated current. It is integrated with a Φ10mm diameter, 300mm lead screw length, the linear travel is 4mm per revolution/0.02mm per step, 10mm per revolution/0.05mm per step, 20mm per revolution/0.1mm per step. It has the characteristics of high performance, high thrust, long life, low noise and high efficiency.
NEMA 23 Lead Screw Stepper Motor High Speed Specification

- Part Number: 57AI76-4204N-300N
- Motor Type: Non-captive
- Step Angle: 1.8deg
- Bi/Unipolar: Bipolar
- Rated Current/phase: 4.2A
- Driving Voltage: 24-48VDC
- Frame Size: 57x57mm
- Body Length: 76mm
- Lead Length: 300mm
- Lead Screw Diameter: Φ10mm
- Lead/Revolution: 4mm
- Lead/Step: 0.02mm
- Lead/Revolution: 10mm
- Lead/Step: 0.05mm
- Lead/Revolution: 20mm
- Lead/Step: 0.1mm
- Number of Leads: 4
- Lead Length: 500mm
- Weight: 1.15kg
- Stepper Drive: DM556
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