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-L Planetary Gearbox

Face-Mount Value Series Planetary Gear

HPN-L Harmonic Planetary® value series gearbox provides a low cost solution without the need to compromise on quality or performance. The HPN face-mount 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-L 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 3 Frame Sizes
  • Peak torque: 18Nm to 300Nm
  • Ratios, 3:1 to 50:1
  • 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

Learn More...

Ordering Code

HPN - 14 L - 05 - Z - J6 - Motor Code
1 2 3 4 5 6 7

1. Model

: HPN Series

2. Size

: 14, 20, 32

3. Design Version

: L

4. Gear Ratio

: 3, 4, 5, 7, 10, 15, 20, 25,30, 35, 40, 45, 50

5. Input Side Bearing

: Z - Input side bearing with double non-conduct shields
: D - Input side bearing with double contact seals

6. Output Configuration

: J6 - Shaft output with key and center tapped hole
: J8 - Shaft output with center tapped hole

7. Input Configuration

: This code represents the motor mounting configuration


Assembly Instructions

Don't see what you need or not sure where to start?

Our team can help you find the right gearbox for your application!



Contact Us

Email us a Question

Call 1-800-921-3332

Hours 8:00am - 5:00pm EST
Monday through Friday