NEMA17 Planetary Gearbox for Stepper motors Reduction-50 SIRN042E-50-5OS3X (SIRN042-50B5S1)

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SKU: BE02521
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Description

The SIRN042E-50-5OS3X (SIRN042-50B5S1) is a high-performance NEMA 17 planetary gearbox with a 50:1 reduction ratio. This gearbox is specifically designed to work with NEMA 17 stepper motors, offering significant torque increase while reducing speed. The 50:1 reduction ratio means the output speed is reduced by 50 times, which provides an ideal solution for applications requiring high torque and precise motion control. It features a planetary gear system, ensuring high efficiency, minimal backlash, and smooth operation.

This gearbox is suitable for a wide range of applications, including robotics, automation systems, CNC machines, and 3D printers, where space and precision are critical. Its compact design and durable construction ensure long-lasting and reliable performance in demanding environments.


Short Features:

  • 50:1 Reduction Ratio: Greatly reduces speed while providing high torque output.
  • Planetary Gear System: Ensures smooth, precise, and efficient motion with minimal backlash.
  • NEMA 17 Compatibility: Fits standard NEMA 17 stepper motors.
  • High Torque Output: Ideal for low-speed, high-torque applications.
  • Compact and Durable: Designed to fit tight spaces and provide long-lasting performance.

Short Application:

  • Robotics
  • CNC Machines
  • 3D Printers
  • Automation Systems
  • Precision Motion Control Applications

Data Sheet:- Click Here 


Specifications Table:

Specification Details
Part Number SIRN042E-50-5OS3X (SIRN042-50B5S1)
Gearbox Type Spur Planetary
Gear Material Alloy Steel
Gear Ratio 50:1
Efficiency 94%
Rotor Inertia 0.03 kg·cm²
Backlash at No-load ≤ 20 arcmin
Max. Permissible Torque 10 Nm (88.51 lb-in)
Moment Permissible Torque 20 Nm (177.01 lb-in)
Noise ≤ 55 dB (1000 rpm) / 65 dB (3000 rpm)
Waterproof Rating IP54
Lifetime 20,000 hours

Physical Specifications:

Specification Details
Frame Size 42 x 42 mm
Gearbox Length 67 mm
Output Shaft Type Keyway
Output Shaft Diameter Φ8 mm
Output Shaft Length 21.5 mm
Input Shaft Diameter Φ5 mm
Input Shaft Length 21.5 - 25 mm

Package Includes:

  • 1 x NEMA 17 Planetary Gearbox (SIRN042E-50-5OS3X)