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

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