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


HPN Value Series

HPN Harmonic Planetary® value series provides a low cost solution without the need to compromise on quality or performance. The HPN Series features helical gears for High –Torque, quiet performance and long life. Backlash of <5 arc minutes (for single stage) is maintained for the life of the gear. Large radial ball bearings support the output shaft for high load capacity. HPN Harmonic Planetary® gears are available with a smooth output shaft or a shaft with a key and tapped center hole. The HPN gearheads are available with short lead times and are designed to couple to any servo motor with our Quick Connect™ coupling. This new value series of planetary gears carry the reputation for quality and reliability for which Harmonic Drive® products are known throughout the world.

  • Helical Gearing
  • Available in 5 Frame Sizes
  • Peak torque: 9Nm to 752Nm
  • Ratios, 3:1 to 31:1
  • High Efficiency
  • Backlash <5 arc-min (single stage) ,<7 arc-min (two stage)
  • Fast Delivery
  • Shaft output available with key and center tapped hole or with center tapped hole

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HPN 14A

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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HPN-11A-4 04 14 14 40 10,000
HPN-11A-5 05 14 16 40 10,000
HPN-11A-7 07 11 11 40 10,000
HPN-11A-10 10 9 9 40 10,000
HPN-11A-16 16 18 24 40 10,000
HPN-11A-20 20 22 24 40 10,000
HPN-11A-30 30 25 26 40 10,000
HPN-14A-3 03 22 25 89 6,000
HPN-14A-4 04 28 50 110 6,000
HPN-14A-5 05 29 50 107 6,000
HPN-14A-7 07 30 37 100 6,000
HPN-14A-10 10 18 18 79 6,000
HPN-14A-13 13 30 43 106 6,000
HPN-14A-21 21 30 50 99 6,000
HPN-14A-31 31 30 38 101 6,000
HPN-20A-3 03 51 74 226 6,000
HPN-20A-4 04 80 130 256 6,000
HPN-20A-5 05 80 149 256 6,000
HPN-20A-7 07 80 113 256 6,000
HPN-20A-10 10 54 54 216 6,000
HPN-20A-13 13 80 130 256 6,000
HPN-20A-21 21 80 147 256 6,000
HPN-20A-31 31 80 113 256 6,000
HPN-32A-3 03 153 254 625 6,000
HPN-32A-4 04 198 376 625 6,000
HPN-32A-5 05 200 376 625 6,000
HPN-32A-7 07 200 376 625 6,000
HPN-32A-10 10 185 185 625 6,000
HPN-32A-13 13 200 376 625 6,000
HPN-32A-21 21 200 376 625 6,000
HPN-32A-31 31 200 376 625 6,000
HPN-40A-3 03 440 752 1,137 6,000
HPN-40A-4 04 460 752 1,265 6,000
HPN-40A-5 05 480 752 1,265 6,000
HPN-40A-7 07 510 752 829 6,000
HPN-40A-10 10 480 509 829 6,000
HPN-40A-13 13 530 752 823 6,000
HPN-40A-21 21 620 752 1,029 6,000
HPN-40A-31 31 700 752 1,097 6,000

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