Harmonic Drive LLC | 247 Lynnfield St. Peabody, MA 01960 | 800-921-3332
Harmonic Drive and Harmonic Planetary are registered trademarks of Harmonic Drive LLC.


HPG-R Planetary Gearbox

Helical Series Planetary Gear

The HPG-R Helical Harmonic Planetary® gearhead delivers High-Torque and High-Accuracy in a compact package. The Helical gear design combines quiet operation with higher torque when compared to the standard HPG Series. The gearbox incorporates continuous backlash compensation that ensures low backlash throughout the life of the gear. A large Cross Roller bearing serves as the output flange and can directly support large loads with high moment stiffness. HPG planetary gears are available with a flange output, smooth output shaft or a shaft with a key and tapped center hole.

  • Helical Gearing
  • Available in 3 Frame Sizes
  • Peak Torque: 20Nm to 200Nm
  • Ratios: 3,4,5,6,7,8,9 and 10:1
  • High Efficiency
  • Backlash <3 arc-min (<1arc-min available as an option)
  • Repeatability ±20 arc-sec
  • High load capacity Cross Roller output bearing
  • Quick Connect® coupling for easy mounting of any motor
  • Available with flange output, output shaft without key or shaft with key and center tapped hole

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Compare Products Your current units are metric. Change to english.

Part Number Ratio Rated Torque L50 Limit for Repeated Peak Torque Limit for Momentary Peak Torque Max. Input Speed
Compare Products Nm Nm Nm rpm

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Part Number Ratio Rated Torque L50 Limit for Repeated Peak Torque Limit for Momentary Peak Torque Max. Input Speed
Compare Products Nm Nm Nm rpm
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HPG-14R-3 03 7 20 37 5,000
HPG-14R-4 04 11 30 56 6,000
HPG-14R-5 05 11 30 56 6,000
HPG-14R-6 06 11 30 56 6,000
HPG-14R-7 07 12 26 56 6,000
HPG-14R-8 08 12 20 56 6,000
HPG-14R-9 09 12 17 56 6,000
HPG-14R-10 10 13 15 56 6,000
HPG-20R-3 03 17 90 124 4,000
HPG-20R-4 04 36 133 217 6,000
HPG-20R-5 05 38 133 217 6,000
HPG-20R-6 06 37 126 217 6,000
HPG-20R-7 07 40 108 217 6,000
HPG-20R-8 08 40 84 217 6,000
HPG-20R-9 09 40 73 217 6,000
HPG-20R-10 10 44 65 217 6,000
HPG-32R-3 03 60 290 507 3,600
HPG-32R-4 04 120 400 650 6,000
HPG-32R-5 05 120 400 650 6,000
HPG-32R-6 06 130 390 650 6,000
HPG-32R-7 07 138 330 650 6,000
HPG-32R-8 08 138 260 650 6,000
HPG-32R-9 09 139 220 650 6,000
HPG-32R-10 10 149 200 650 6,000

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