Description
Nema17 hollow shaft stepper motor features an advanced through-hole design, ideal for high-precision automation and compact robotic applications. Its hollow shaft structure allows easy mechanical connection and synchronized control, supporting space-limited installation environments. This motor is widely used in medical instruments, 3D printers, CNC machines, and optical equipment, providing stable positioning performance and high repeatability. With an optimized magnetic circuit, it operates smoothly, produces low noise, and maintains precise stepping at high speeds.
This hollow shaft stepper motor delivers excellent torque output and is compatible with multiple drivers for both open-loop and closed-loop control. High-strength magnets and precision winding technology allow stable operation under continuous and high-load conditions. Heat-resistant insulation materials and premium bearings extend motor lifespan and reduce maintenance frequency. An optimized cooling structure ensures low temperature rise during prolonged operation, maintaining stable performance across industrial automation scenarios.
The Nema17 hollow shaft stepper motor supports fine step adjustment for microstepping, improving control accuracy and operational smoothness. The hollow shaft design facilitates synchronized mechanical linkage, reducing space requirements and assembly complexity. The motor is compatible with various standard drivers and controllers, enabling fast integration into existing equipment. Its compact size and high-efficiency design save space, reduce power consumption, and lower system costs. Long-term applications demonstrate outstanding performance in high-precision positioning, repeatability, and load adaptability, significantly enhancing overall equipment performance.
Nema17 Hollow Shaft Stepper Motor Specifications
General Specifications
- Product Type: Nema17 Hybrid Hollow Shaft Stepper Motor
- Frame Size: 42 × 42 mm (Nema17 Standard)
- Step Angle: 1.8° ± 5% (200 steps/rev)
- Optional Step Angle: 0.9° (400 steps/rev High-Resolution Version)
- Shaft Design: Through-Hole Hollow Shaft Structure
- Hollow Bore Diameter: Ø5 mm / Ø6 mm / Ø8 mm Optional
- Bearing Type: Precision Dual Ball Bearings
- Insulation Class: Class B (130°C)
- Insulation Resistance: 100 MΩ Min at 500VDC
- Dielectric Strength: AC 500V for 1 Minute
- Protection Class: IP40
- Operating Temperature: -20°C to +50°C
- Humidity Range: 20%–85% RH (Non-Condensing)
Available Motor Length Options
34 mm Body Length
- Holding Torque: 0.25 N·m
- Rated Current: 1.3A/Phase
- Phase Resistance: 3.8Ω
- Rotor Inertia: 28 g·cm²
- Weight: 0.26 kg
40 mm Body Length
- Holding Torque: 0.4N·m
- Rated Current: 1.3A/Phase
- Phase Resistance: 3.5Ω
- Rotor Inertia: 54 g·cm²
- Weight: 0.38 kg
48 mm Body Length
- Holding Torque: 0.6 N·m
- Rated Current: 2.0A/Phase
- Phase Resistance: 2.0Ω
- Rotor Inertia: 72 g·cm²
- Weight: 0.52 kg
60 mm Body Length
- Holding Torque: 0.85 N·m
- Rated Current: 2.0A/Phase
- Phase Resistance: 2.2Ω
- Rotor Inertia: 105 g·cm²
- Weight: 0.72 kg
Key Features
- Hollow shaft allows routing of cables, pneumatic tubes, optical fibers, or encoder shafts
- Compact structure for space-constrained installations
- Supports microstepping drive control
- Low vibration and quiet operation
- High concentricity output design
- Compatible with closed-loop control systems
- Ideal for robotics, medical equipment, semiconductor machinery, and automation platforms























