Harmonic Drive Releases New HPN-RA Harmonic Planetary Right Angle Value Series Gearhead

The HPN-RA provides a low cost solution without the need to compromise on quality or performance.

The popular HPN Harmonic Planetary® value series from Harmonic Drive LLC is now available in a right angle configuration. The HPN-RA provides a low cost solution without the need to compromise on quality or performance.


The HPN-RA Series features helical gears for High -Torque, quiet performance and long life. Backlash of <6 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-RA Harmonic Planetary® gears are available with a smooth output shaft or a shaft with a key and tapped center hole.

The HPN-RA gearheads are available with short lead times and are designed to couple to any servo or stepper motor with our Quick Connect® mounting system.

Features include:

• Spiral bevel right angle gear set with planetary output
• Helical Gearing
• Available in 5 Frame Sizes
• Peak torque: 9Nm to 752Nm
• Ratios, 3:1 to 50:1
• High Efficiency
• Backlash <6 arc-min (single stage) ,<9 arc-min (two stage)
• Grease lubricated for life
• Competitive price levels with short lead times
• Shaft output available with key and center tapped hole or with center tapped hole

Information on the HPN-RA Harmonic Planetary Right Angle Gearhead from Harmonic Drive LLC can be viewed at:
https://www.electromate.com/pub/media/assets/catalog-library/pdfs/harmonic-drive/harmonic-drive-hpn-ra-brochure.pdf

Featured Product

Midwest Motion Products, Inc. (MMP) - Brushed Right-Angled Gearmotors

Midwest Motion Products, Inc. (MMP) - Brushed Right-Angled Gearmotors

MMP now offers Right Angled Gearmotor designs which allow for significantly increased versatility, with the ability to be installed in tight spaces. We can employ any of our standard Brushed or Brushless Motors with our standard Planetary Gearheads to complete the new R/A Design. The photo is of one of our standard Brushed Motors attached to one of our Standard Planetary Gearheads via our R/A Gearbox design.