The CMU NEMA 17 Shaft-Reversed Stepper Motor is a high-quality, precision stepper motor designed for 3D printers, CNC machines, and other motion control applications. With a robust 1.7 x 1.7-inch (43.2 x 43.2 mm) faceplate, this stepper motor delivers reliable torque and performance, ideal for both hobbyist and professional projects. Its shaft-reversed configuration allows flexible integration into a variety of mechanical assemblies.
Overview
Stepper motors like the NEMA 17 are widely used in positioning, holding, and open-loop control applications. This motor is designed for high torque at low speeds, making it suitable for 3D printers, CNC routers, robotic systems, and other precision automation devices. Its rugged construction ensures long-lasting performance even in demanding environments.
Features
- Shaft-reversed NEMA 17 stepper motor for flexible mounting in CNC and 3D printer setups
- High-quality 42BYG NEMA 17 construction for consistent torque and durability
- Step angle: 1.8 5% per phase for precise positioning
- Rated holding torque: 40 N cm min, rotor torque: 55 N cm / 5 kg cm
- Insulation class B (130 C) and high insulation resistance 100 M for safe operation
- Comes with 70 cm 4-lead cable for easy wiring
- Stepper motor advantages: low cost, reliable, high torque at low speeds, simple rugged construction
Specifications
- Motor type: 2-phase stepper
- Step angle: 1.8 5% per phase
- Rated voltage: 4.2V DC
- Rated current: 1.2A/phase
- Resistance: 8.8 10% /phase
- Inductance: 6.0 mH 20% (1 kHz, 1V RMS)
- Lead style: AWG26 UL1007
- Holding torque: 40 N cm min
- Detent torque: 2.6 N cm max
- Rotor torque: 55 N cm / 5 kg cm
- Insulation resistance: 100 M (DC 500V)
- Operating temperature: up to 130 C
- Cable length: 70 cm
Applications
- 3D printers (XYZ axis motion)
- CNC machines and engraving tools
- Robotics and automation projects
- Precision positioning devices
The CMU NEMA 17 Shaft-Reversed Stepper Motor combines reliability, precision, and torque performance for all your DIY or professional 3D printing and CNC projects.
What's in the box
1 x CMU NEMA 17 Shaft-Reversed Stepper Motor - 4.2V DC, 1.2A/Phase for 3D & CNC
