NEMA17 FLE42 Series Common Planetary Gearbox For Stepper Motor Reduction Gear Ratio 50:1
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The NEMA17 FLE42-L2SW Planetary Gearbox (50:1) is a high-torque, precision gearbox designed for NEMA17 stepper motors, providing accurate motion control, enhanced torque, and smooth power transmission.
Built with hardened steel gears, precision bearings, and a keyed 8 mm output shaft, it delivers consistent performance, low noise, and exceptional reliability.
With a 50:1 gear reduction, it offers increased torque for demanding mechanical applications such as CNC machines, robotics, 3D printers, and automation systems.
Its IP54-rated enclosure, compact 42 mm frame, and long service life (20,000+ hours) make it ideal for professional and industrial-grade motion systems.
Key Features
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Designed for NEMA17 Stepper Motors – ensures perfect mechanical compatibility.
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High Torque Output – rated at 10 N·m, with 20 N·m sudden stop torque.
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50:1 Reduction Ratio – maximizes torque and motion control precision.
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Low Backlash ≤45 arcmin – provides precise and stable performance.
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Quiet Operation ≤55 dB – ideal for smooth-running systems.
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Durable Construction – hardened steel gears and quality bearings ensure longevity.
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Efficiency up to 80% – delivers consistent power with minimal energy loss.
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Wide Temperature Range – operates between −20°C and +150°C.
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Long Service Life – exceeds 20,000 hours under rated load.
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Compact 42×42 mm Body – small footprint for easy integration.
Applications
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Robotics & Automation Equipment
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CNC Machines & Milling Systems
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3D Printers & Motion Platforms
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Precision Stepper Motor Motion Control
Data Sheet:- Click Here
Specifications
FLE42-L2SW Planetary Gearbox
| Parameter | Specification |
|---|---|
| Gear Ratio Options | 50:1 |
| Gearbox Length (mm) | 87.5 |
| Rated Torque (N·m) | 10 |
| Sudden Stop Torque (N·m) | 20 |
| Backlash (arcmin) | ≤45 |
| Efficiency (%) | 80 |
| 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 Temperature (°C) | −20 ~ +150 |
| Output Shaft Type | Key Shaft |
Physical Specifications
| Parameter | Details |
|---|---|
| Motor Shaft Type | Round Shaft |
| Gearbox Length (mm) | 87.5 |
| Output Shaft Type | Key Shaft |
| Output Shaft Diameter (mm) | 8 |
| Output Shaft Length (mm) | 21.5 |
| Key Length (mm) | 14 |
| Weight (kg) | 0.38 |
Package Includes
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1 × FLE42-L2SW Planetary Gearbox (50:1 ratio)