• 2 phase, NEMA23 frame size
• 80 mm long
• 5.0 A phase current
• 2.2 N.m holding torque
• 8 mm shaft size
• Built with high quality materials.High precision, low motor heating, and low vibration。
The 57J1880-450 is a NEMA23 (57 mm) 2-phase stepper motor, 80 mm long, rated 2.2 N·m at 5.0 A with an 8 mm shaft. It is a balanced, mid-duty option within the frame for general motion control tasks.
At 2.2 N·m the motor drives belt drives, lead screws and light rotary mechanisms used in robotics and desktop CNC. The 5.0 A winding keeps torque responsive while the 8 mm shaft matches widely available hardware.
In robotics the motor positions lightweight joints and turntables with repeatable stepping; in desktop CNC it covers axis drives with adequate margin for small cutters. The compact length eases mounting in crowded frames.
Precise rotor-stator geometry lowers vibration and audible noise, supporting clean motion in sensitive applications.
Match a 5.0 A-capable driver and provide cooling. Standard NEMA23 pattern keeps deployment straightforward across a machine family.
| Model | 57J1880-450 |
| Phase | 2 |
| Step Angle（deg） | 1.8 |
| Holding Torque(N·m) | 2.2 |
| Rated Current（A） | 5 |
| Phase Resistance(ohm) | 0.4 |
| Phase Inductance（mH） | 1.8 |
| Detent Torque（mN·m） | 700 |
| Rotor inertia（g·cm²） | 520 |
| Insulation Class | B |
| Number of Leads | 4 |
| Weight（kg） | 1.15 |
| Length（mm） | 80 |
| Matched Drive | 2DM556-RC/EC 2DM556 |
| Frame Size（NEMA） | 23 |
| Shaft Diameter（mm） | 8 |
| Frame Size(mm) | 57 |
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