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EG Series Planetary Gearbox Gear Ratio 20:1 Backlash 20arc-min for Nema 11 Stepper Motor

EG Series Planetary Gearbox Gear Ratio 20:1 Backlash 20arc-min for Nema 11 Stepper Motor
EG Series Planetary Gearbox Gear Ratio 20:1 Backlash 20arc-min for Nema 11 Stepper Motor
EG Series Planetary Gearbox Gear Ratio 20:1 Backlash 20arc-min for Nema 11 Stepper Motor
EG Series Planetary Gearbox Gear Ratio 20:1 Backlash 20arc-min for Nema 11 Stepper Motor
EG Series Planetary Gearbox Gear Ratio 20:1 Backlash 20arc-min for Nema 11 Stepper Motor
EG Series Planetary Gearbox Gear Ratio 20:1 Backlash 20arc-min for Nema 11 Stepper Motor
EG Series Planetary Gearbox Gear Ratio 20:1 Backlash 20arc-min for Nema 11 Stepper Motor
EG Series Planetary Gearbox Gear Ratio 20:1 Backlash 20arc-min for Nema 11 Stepper Motor
EG Series Planetary Gearbox Gear Ratio 20:1 Backlash 20arc-min for Nema 11 Stepper Motor
EG Series Planetary Gearbox Gear Ratio 20:1 Backlash 20arc-min for Nema 11 Stepper Motor
EG Series Planetary Gearbox Gear Ratio 20:1 Backlash 20arc-min for Nema 11 Stepper Motor
EG Series Planetary Gearbox Gear Ratio 20:1 Backlash 20arc-min for Nema 11 Stepper Motor
EG Series Planetary Gearbox Gear Ratio 20:1 Backlash 20arc-min for Nema 11 Stepper Motor
EG Series Planetary Gearbox Gear Ratio 20:1 Backlash 20arc-min for Nema 11 Stepper Motor
EG Series Planetary Gearbox Gear Ratio 20:1 Backlash 20arc-min for Nema 11 Stepper Motor
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$47.04
5 + $44.60
10 + $42.40
50 + $40.40
100 + $38.59
  • In Stock: 10000
  • Model: EGS11-G20
  • Gross Weight: 0.16kg
  • Certificated: ISO, CE, REACH

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This high-precision planetary gearbox is belong to EG series gearbox, it with gear ratio 20:1 and a maximum 20arc-min backlash. It's an excellent choice for applications that require good accuracy and reliability at an exceptional value.

This in-line planetary gearbox has a built-in input shaft coupling and can only match Nema 11 stepper motors with a diameter of 5mm and a shaft length of 6.5-10.5mm. Currently, we have these motors 11HS12-1004D-E1000-EGS,11HS20-1004D-E1000-EGS,11HS12-0704S and 11HS20-0704S available to match this gearbox. 

Gearbox Specifications

  • Manufacturer Part Number: EGS11-G20
  • Gearbox Type: Planetary
  • Gear Ratio: 20:1
  • Efficiency: 94%
  • Backlash at No-load: <=20arcmin
  • Max.Permissible Torque: 4Nm(35.4lb-in)
  • Moment Permissible Torque: 8Nm(70.80lb-in)
  • Noise: <=55dB(1000rpm)/65dB(3000rpm)
  • Waterproof Rating: IP54
  • Lifetime: 20000hours

Physical Specifications

  • Frame Size: 28 x 28mm
  • Gearbox Length: 41mm
  • Output Shaft Type: D-cut
  • Output Shaft Diameter: Φ6mm
  • Output Shaft Length: 20mm
  • Input Shaft Diameter: Φ5mm
  • Input Shaft Length: 6.5-10.5mm
Physical Specification
Gearbox Length(mm) 41
Input Shaft Diameter(mm) 5
Input Shaft Length(mm) 6.5 - 10.5
Inventory Method Dedicated Inventory
Output Shaft Diameter(mm) 6
Output Shaft Length(mm) 20
Frame Size(mm) 28 x 28
Matching Motor Size Nema 11 Stepper Motor
Product Series EG
Gearbox Type Planetary Gearbox
Gear Ratio(xx:1) 20
Backlash at No-load <=20arcmin
Output Shaft Type D-cut


  • Input/Output Shaft Diameter and Length
  • Input/Output Shaft Type
  • Gear Ratio


File Size
EGS11-G20_Full_Datasheet.pdf 163.89KB Download

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