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


HPGP High Torque Series

The HPGP Harmonic Planetary® gearhead uses four planet gears to deliver High-Torque and High-Accuracy in a compact package. The gearhead 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. HPGP planetary gears are available with a flange output, smooth output shaft or a shaft with a key and tapped center hole.

  • Available in 6 Frame Sizes
  • Peak Torque: 12Nm to 3,940Nm
  • Ratios: 4:1 to 45:1
  • 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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HPGP 20A

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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HPGP-11A-5 05 6.6 12 20 10,000
HPGP-11A-21 21 10 13 20 10,000
HPGP-11A-37 37 12 13 20 10,000
HPGP-11A-45 45 13 13 20 10,000
HPGP-14A-5 05 15 39 56 6,000
HPGP-14A-11 11 20 38 63 6,000
HPGP-14A-15 15 21 39 63 6,000
HPGP-14A-21 21 23 39 63 6,000
HPGP-14A-33 33 27 39 63 6,000
HPGP-14A-45 45 29 39 63 6,000
HPGP-20A-5 05 50 133 217 6,000
HPGP-20A-11 11 59 156 217 6,000
HPGP-20A-15 15 70 142 217 6,000
HPGP-20A-21 21 78 142 217 6,000
HPGP-20A-33 33 72 156 217 6,000
HPGP-20A-45 45 98 142 217 6,000
HPGP-32A-5 05 150 400 650 6,000
HPGP-32A-11 11 160 440 650 6,000
HPGP-32A-15 15 220 400 650 6,000
HPGP-32A-21 21 240 400 650 6,000
HPGP-32A-33 33 200 440 650 6,000
HPGP-32A-45 45 280 400 650 6,000
HPGP-50A-5 05 380 1,460 1,850 4,500
HPGP-50A-11 11 450 1,460 2,180 4,500
HPGP-50A-15 15 460 1,500 2,180 4,500
HPGP-50A-21 21 490 1,460 2,180 4,500
HPGP-50A-33 33 620 1,460 2,180 4,500
HPGP-50A-45 45 640 1,360 2,180 4,500
HPGP-65A-4 04 1,150 3,520 4,500 2,500
HPGP-65A-5 05 1,190 3,790 4,500 3,000
HPGP-65A-12 12 1,360 3,790 4,500 3,000
HPGP-65A-15 15 1,670 3,940 4,500 3,000
HPGP-65A-20 20 1,520 3,790 4,500 3,000
HPGP-65A-25 25 1,900 3,840 4,500 3,000

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