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High-torque planetary gearboxes

For brushless DC & stepper motors: high-torque gearboxes in one- and two-stage versions from Nanotec. Significantly higher torque! → Contact us and get a quote

The planetary gearboxes of the GP series are offered in one-, two- and three-stage versions as well as with mounting flanges for all compatible motor series from Nanotec. Through the simulation-based toothing design, they achieve a significantly higher torque than economy planetary gearboxes. Thanks to their modular concept and optimal dimensioning, they are quick and easy to adapt to individual customer requirements.

planetary gearbox manufacturer

1 Motor flange for all suitable Nanotec motors  |  2 Planets and sun- and ring gears made from hardened steel  |  3 Output shaft with two ball bearings  |  4 Individual shafts possible in series 

High-torque gearboxes – Products

NEMA 17 planetary gearbox for stepper motors (stepper or BLDC)

GP42 – High-torque planetary gearboxes

Planetary gearboxes for NEMA 17 stepper motors and brushless DC motors. Suitable for external rotor motors and internal rotor motors.
  • Reduction Ratio 3.93  - 240.55 
  • Rated Output Torque 6.5 Nm - 15 Nm
  • Efficiency 78 % - 90 %
  • Max. Backlash 60 ´(arc minutes)
  • For Motor Size 45 mm (BLDC), NEMA 17 
NEMA 23/24 planetary gearbox for stepper motors (stepper or BLDC)

GP56 – High-torque planetary gearboxes

Planetary gearboxes for NEMA 23 and 24 (56/60 mm) motors. With 12mm shaft and planets that run on sliding bearings or with 14mm shaft and reinforced output bearings.
  • Reduction Ratio 3.29  - 256.23 
  • Rated Output Torque 13.55 Nm - 26.38 Nm
  • Efficiency 70 % - 92 %
  • Max. Backlash 30 ´(arc minutes) - 45 ´(arc minutes)
  • For Motor Size 68 mm (BLDC), NEMA 23, NEMA 24 
Planetary gearboxes for NEMA 34 motors, 80 mm BLDC motors and 90 mm external rotor motors. Select motor → Request a quote or buy online!

GP80 – High-torque planetary gearboxes

Planetary gearboxes for NEMA 34 motors, 80 mm BLDC motors and 90 mm external rotor motors.
  • Reduction Ratio 4.182  - 26.278 
  • Rated Output Torque 21.37 Nm - 47.85 Nm
  • Efficiency 85 % - 92 %
  • Max. Backlash 21 ´(arc minutes) - 22 ´(arc minutes)
  • For Motor Size 80 mm (BLDC), 90 mm (BLDC), NEMA 34 

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