NEMA17 FLE42 Series Common Planetary Gearbox For Stepper Motor Reduction Gear Ratio 10:1
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The NEMA17 FLE42 Series Planetary Gearbox is a high-precision, compact gearbox designed for NEMA17 stepper motors, providing superior torque output, low backlash, and smooth motion transmission.
With a 10:1 reduction ratio, it enhances torque while maintaining excellent efficiency and precision — perfect for CNC systems, robotics, 3D printers, and automation applications.
Built with hardened steel gears, precision bearings, and IP54 protection, this gearbox offers quiet performance (≤55 dB) and a lifespan of over 20,000 hours.
Its 42 × 42 mm frame and 8 mm key shaft output ensure compatibility with all standard NEMA17 stepper motors.
Key Features
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Designed for NEMA17 stepper motors
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10:1 gear ratio for improved torque and precision
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High torque output — rated up to 10 Nm, sudden stop torque up to 20 Nm
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Low backlash ≤30 arcmin for accurate positioning
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Low-noise operation ≤55 dB
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Durable steel construction with precision bearings
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High efficiency — up to 90%
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Operates in -20°C to +150°C temperature range
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Long lifespan — 20,000 hours of continuous performance
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Compact 42 × 42 mm housing with key shaft output
Applications
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Robotics and automation systems
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CNC machines and milling tools
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3D printers and prototyping systems
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Packaging and labeling machinery
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Precision motion control applications
Data Sheet:- Click Here
Specifications
FLE42-L Series Planetary Gearbox
| Parameter | L1 (1-Stage) |
|---|---|
| Gear Ratio Options | 10:1 |
| Gearbox Length (mm) | 61.5 |
| Rated Torque (N·m) | 10 |
| Sudden Stop Torque (N·m) | 20 |
| Backlash (arcmin) | ≤30 |
| Efficiency (%) | 90 |
| Rated Input Speed (rpm) | 1000 |
| Max Input Speed (rpm) | 2000 |
| Axial Force (N) | 100 |
| Radial Force (N) | 300 |
| Noise (dB) | ≤55 |
| Protection Level | IP54 |
| Operating Temp (°C) | −20 ~ +150 |
| Output Shaft Type | Key Shaft |
Physical Specifications
| Parameter | Details |
|---|---|
| Motor Shaft Type | Round Shaft |
| Gearbox Length (mm) | 61.5 |
| Output Shaft Type | Key Shaft |
| Output Shaft Diameter (mm) | 8 |
| Output Shaft Length (mm) | 21.5 |
| Key Length (mm) | 14 |
| Weight (kg) | 0.25 (L-Series) |
Package Includes
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1 × FLE42-L Planetary Gearbox (10:1 ratio)