NEMA 23 JK57HS76-2804 Stepper Motor (18.9 kg-cm) – D Shaft

Specifications:

• 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%

Features:

• NEMA 23 standard frame with high 18.9 kg-cm holding torque

• Bipolar hybrid design for improved torque and efficiency

• 1.8° step angle for precise positioning and smooth motion

• Rugged construction for long-term durability in industrial use

• Ideal for CNC machines, 3D printers, robotics, and automation projects

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.