NEMA23 JK57HS76-2804 18.9 kg-cm Stepper Motor Bipolar Hybrid
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The NEMA 23 JK57HS76-2804 is a high-performance bipolar hybrid stepper motor designed for precision motion control in CNC machines, 3D printers, robotics, and other automated systems. Featuring a standard NEMA 23 frame size (57 × 57 mm) and a robust 18.9 kg-cm holding torque, this motor delivers accurate positioning, smooth rotation, and consistent performance in demanding industrial environments. Its 1.8° step angle ensures 200 precise steps per revolution, making it an excellent choice for applications where accuracy and reliability are essential.
Key Features:
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NEMA 23 standard frame with high 18.9 kg-cm holding torque
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Bipolar hybrid design for improved torque and efficiency
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1.8° step angle for precise positioning and smooth motion
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Rugged construction for long-term durability in industrial use
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Ideal for CNC machines, 3D printers, robotics, and automation projects
Resource:
Specifications:
| Parameter | Value |
|---|---|
| Model | JK57HS76-2804 |
| Rated Voltage (V) | 3.2 |
| Current/Phase (A) | 2.8 |
| Resistance/Phase (Ω) | 1.13 |
| Inductance/Phase (mH) | 3.6 |
| Holding Torque (kg-cm) | 18.9 |
| Detent Torque (kg-cm) | 0.68 |
| Number of Leads | 4 |
| Rotor Inertia | 480 g·cm² |
| Frame Size (mm) | 57 × 57 |
| Length (mm) | 76 |
| Shaft Length (mm) | 20.6 |
| Shaft Diameter (mm) | 6.35 |
| Step Angle | 1.8° |
| Step Angle Accuracy | ±5% (full step, no load) |
| Resistance Accuracy | ±10% |
| Inductance Accuracy | ±20% |
| Weight (kg) | 1 |
Product Includes:-
1x NEMA 23 JK57HS76-2804 18.9 kg-cm Stepper Motor Bipolar Hybrid