Skip to content Skip to navigation
NemaTRUE True Planetary Gearheads

NemaTRUE True Planetary Gearheads

In addition to the standard NEMA frame sizes, the NemaTRUE is now available in three new metric sizes (60, 90 and 115mm) and has been upgraded with the innovative Micron® RediMount system from Thomson. Thomson Micron now brings you a True Planetary®, RediMount compliant gearhead that is an economical solution for your application.  The NemaTRUE has many ratios in stock for immediate delivery through the Thomson Micron Gearhead Express program.


Let Thomson Help You Make Your Selection!


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


Micron Guide Selection Guide 257 KB Email
Micron MOTIONEERING® 347 KB Email
True Planetary™ Gearheads 1505 KB Email
True Planetary™ Gearheads 1577 KB Email
True Planetary™ Gearheads 917 KB Email
TRUE Planetary™ Gearheads 6957 KB Email
TRUE Planetary™ Gearheads 6973 KB Email
True™ Planetary Gearheads 7678 KB Email
True Planetary™ Gearheads 7699 KB Email
True Planetary™ Gearheads 6973 KB Email
True Planetary™ Gearheads 12081 KB Email
True Planetary™ Gearheads 8034 KB Email
TRUE Planetary™ Gearheads 430 KB Email

Find a Product

Not finding the right gearhead for your needs? Visit Micron Motioneering, our full-featured sizing tool!



Peak Torque



Frame Size



Duty Cycle

Output Shaft: Single, Dual or Hollow


Select other checkboxes to view available options

back to top