NEMA 23 Stepper Motor 57BYGH76
The NEMA 23 Stepper Motor 57BYGH76 is a biphasic hybrid motor featuring a 76 mm stack and 1.8° (200 steps/rev) step angle. It supports a rated current of 4 A per phase and phase resistance of 0.7 Ω, producing a strong holding torque of approximately 1.8 Nm. The standard 8 mm D‑shape shaft is ideal for secure mechanical couplings. With insulation of ≥100 MΩ@500 VDC and dielectric 500 VAC for 1 min, plus a thermal rise limit of 80 °C and operating range from –20 °C to +50 °C, it’s well-suited for continuous heavy-duty use.
Features
- High precision 1.8° step angle for accurate control.
- Strong holding torque for mechanical load handling.
- Durable 76mm body for high torque applications.
- Low resistance for efficient power usage.
- Compatible with most bipolar stepper motor drivers.
- 8mm D-shaft for secure mechanical coupling.
Specifications
| Parameter | Value |
|---|---|
| Model | 57BYGH76 |
| Step Angle | 1.8° (200 steps/rev) |
| Step Accuracy | ±5 % |
| Phases | 2 (bipolar,4‑wire) |
| Rated Current | 4 A/Phase |
| Phase Resistance | 0.7 Ω |
| Resistance Accuracy | ±10 % |
| Phase Inductance | 2.2 mH – 5.0 mH |
| Inductance Accuracy | ±20 % |
| Holding Torque | 1.75 Nm – 2.3 Nm |
| Detent Torque | 0.08 Nm |
| Rotor Inertia | 480 g·cm² |
| Temperature Rise | ≤80 °C |
| Ambient Temperature Range | –20 °C – +50 °C |
| Storage Temperature Range | –20 °C – +70 °C |
| Insulation Resistance | ≥100 MΩ@500 VDC |
| Dielectric Strength | 500 VAC for 1 min |
| Number of Leads | 4 |
| Motor Length | 76 mm |
| Shaft Diameter | 8 mm D‑shape |
Torque vs Speed
Applications
- CNC milling and routing machines.
- 3D printers requiring high torque.
- Robotics and automation arms.
- Industrial conveyor and pick-and-place systems.
- Packaging and textile machines.
Package Contents
- 1x NEMA 23 Stepper Motor 57BYGH76.
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