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 Standard Series

The HPG Harmonic Planetary® gearhead delivers 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. HPG 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: 5Nm to 3,200Nm
  • Ratios: 3:1 to 50:1
  • 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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HPG 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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HPG-11B-5 05 5 10 20 10,000
HPG-11B-9 09 5 5 20 10,000
HPG-11B-21 21 8 10 20 10,000
HPG-11B-37 37 9 10 20 10,000
HPG-11B-45 45 10 10 20 10,000
HPG-14A-3 03 7 15 37 5,000
HPG-14A-5 05 11 30 56 6,000
HPG-14A-11 11 15 30 63 6,000
HPG-14A-15 15 16 30 63 6,000
HPG-14A-21 21 17 30 63 6,000
HPG-14A-33 33 20 30 63 6,000
HPG-14A-45 45 22 30 63 6,000
HPG-20A-3 03 17 64 124 4,000
HPG-20A-5 05 38 100 217 6,000
HPG-20A-11 11 46 117 217 6,000
HPG-20A-15 15 58 107 217 6,000
HPG-20A-21 21 58 107 217 6,000
HPG-20A-33 33 70 117 217 6,000
HPG-20A-45 45 73 106 217 6,000
HPG-32A-3 03 60 225 507 3,600
HPG-32A-5 05 120 300 650 6,000
HPG-32A-11 11 160 330 650 6,000
HPG-32A-15 15 170 300 350 6,000
HPG-32A-21 21 190 300 650 6,000
HPG-32A-33 33 200 330 650 6,000
HPG-32A-45 45 240 300 650 6,000
HPG-50A-3 03 160 850 1,200 3,000
HPG-50A-5 05 290 1,110 1,850 4,500
HPG-50A-11 11 340 1,200 2,180 4,500
HPG-50A-15 15 400 1,250 2,180 4,500
HPG-50A-21 21 450 1,140 2,180 4,500
HPG-50A-33 33 470 1,140 2,180 4,500
HPG-50A-45 45 560 1,130 2,180 4,500
HPG-65A-4 04 870 2,890 4,500 2,500
HPG-65A-5 05 900 3,100 4,500 3,000
HPG-65A-12 12 1,020 3,100 4,500 3,000
HPG-65A-15 15 1,260 3,200 4,500 3,000
HPG-65A-20 20 1,370 3,100 4,500 3,000
HPG-65A-25 25 1,470 3,200 4,500 3,000
HPG-65A-40 40 1,320 1,900 4,500 3,000
HPG-65A-50 50 1,650 2,200 4,500 3,000

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