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NemaTRUE True Planetary Gearheads

NemaTRUE™ True Planetary™ Gearheads

In addition to standard NEMA frame sizes, Micron® NemaTRUE™ True Planetary™ gearheads are now available in three metric sizes (60, 90 and 115 mm) and with the innovative RediMount™ adapter kit, which allows for quick and error-free mounting to any servo motor. Micron’s TRUE Planetary™ gearing technology allows for highly efficient and precise torque multiplication for servo motor applications. The NemaTRUE has many ratios in stock for immediate delivery.


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Ready for Immediate Delivery
Mounting Type Inline Right-angle
Precision 13 arc-minutes 13 arc-minutes
Frame Sizes (mm) 17, 23/60, 34/90, 42/115 23, 34, 42
Torque Capacity
Nm (lb-ft)
up to 180 (133) up to 255 (188)
Ratio Availability 3:1, 5:1, 10:1, 15:1,  25:1
30:1, 50:1, 100:1
1:1, 2:1, 3:1, 4:1, 5:1P, 5:1T, 6:1, 9:1
10:1, 12:1, 15:1, 20:1, 25:1, 30:1, 40:1
50:1, 60:1, 75:1, 90:1, 100:1, 120:1
125:1, 150:1, 200:1, 250:1, 300:1
400:1, 500:1
Radial Load Capacity
N (lbf)
up to 3730 (839) up to 2900 (652)
Mounting System RediMount™ RediMount™

NemaTRUE™ Highlights

  • Sealed deep groove ball bearings provide high radial load carrying capability
  • HRC 55-60 steel gears provide superior wear resistance and increased backlash integrity
  • Sealed deep groove ball bearing provides precision alignment of sun gear
  • RediMount™ system provides error-free motor installation
  • Anodized aluminum housing reduces weight and prevents corrosion

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