The NEMA 17 4.4 kg-cm Stepper Motor is a high-torque bipolar stepper motor widely used in precision motion control systems. With a standard NEMA 17 form factor and 1.8° step angle, it delivers reliable and accurate positioning, making it ideal for 3D printers, CNC machines, robotics, and automation projects. Its balanced torque, speed, and efficiency make it one of the most popular stepper motors in embedded and industrial applications.
Core Motor Specifications
• Motor Type: Bipolar stepper motor
• Frame Size: NEMA 17 (42 × 42 mm)
• Holding Torque: 4.4 kg-cm
• Step Angle: 1.8° (200 steps per revolution)
Electrical & Interface
• Rated Voltage: Typically 12 V (driver dependent)
• Phase Current: ~1.2–1.7 A per phase (variant dependent)
• Number of Phases: 2
• Wiring: 4-wire bipolar configuration
• Driver Compatibility: A4988, DRV8825, TB6600
Performance Characteristics
• High holding torque for precise positioning
• Smooth motion with microstepping drivers
• Stable performance at low and moderate speeds
• Suitable for continuous operation with proper cooling
Physical Characteristics
• Motor Body: Square metal housing
• Shaft Diameter: 5 mm (standard)
• Shaft Type: Round with flat
• Compact and robust construction
Compatibility
• 3D printers and CNC machines
• Robotics and automation systems
• Linear motion stages
• Camera sliders and motion rigs
• DIY and industrial motion control projects
Key Advantages
• High torque in a compact form factor
• Standard NEMA 17 mounting for easy replacement
• Wide driver support and ecosystem
• Excellent accuracy and repeatability
Technical Insights
• Torque drops at higher speeds due to inductance
• Proper current setting improves performance and motor life
• Heat sinking recommended for continuous high-load operation
• Microstepping improves smoothness but reduces holding torque
Applications
• 3D printer X, Y, and Z axes
• CNC routers and engravers
• Robotic arms and joints
• Automation and positioning systems
• Precision DIY machines
Pro Tip
• Set driver current according to motor rating
• Use proper motor drivers with current control
• Ensure rigid mounting to avoid vibration
• Allow airflow or cooling for long run times
Package Includes
• 1 × NEMA 17 4.4 kg-cm Stepper Motor