Harmonic Drive LLC | 42 Dunham Ridge, Beverly, MA 01915 | 800-921-3332
Harmonic Drive and Harmonic Planetary are registered trademarks of Harmonic Drive.


HPG-RA Planetary Gearbox

Right Angle Planetary Gear

The HPG-RA Harmonic Planetary® gearhead delivers High-Torque and High-Accuracy in a compact Right Angle design. The gearbox 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 Right Angle planetary gears are available with a flange output, smooth output shaft or a shaft with a key and tapped center hole.

  • Right Angle configuration
  • Available in 3 Frame Sizes
  • Peak Torque: 150Nm to 2,200Nm
  • Ratios: 5:1 to 50:1
  • High Efficiency
  • Backlash <3 arc-min
  • 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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Compare Products Your current units are metric. Change to english.

Ordering Code 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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Ordering Code 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-32A-5-RA3 05 120 150 200 6,000
HPG-32A-11-RA3 11 160 330 440 6,000
HPG-32A-15-RA3 15 170 300 600 6,000
HPG-32A-21-RA3 21 190 300 650 6,000
HPG-32A-33-RA3 33 200 330 650 6,000
HPG-32A-45-RA3 45 240 300 650 6,000
HPG-50A-5-RA3 05 150 150 200 4,500
HPG-50A-5-RA5 05 290 400 500 4,500
HPG-50A-11-RA3 11 330 330 440 4,500
HPG-50A-11-RA5 11 340 880 1,100 4,500
HPG-50A-15-RA3 15 400 450 600 4,500
HPG-50A-15-RA5 15 400 1,200 1,500 4,500
HPG-50A-21-RA3 21 450 630 840 4,500
HPG-50A-21-RA5 21 450 1,150 2,100 4,500
HPG-50A-33-RA3 33 470 990 1,320 4,500
HPG-50A-33-RA5 33 470 1,140 2,180 4,500
HPG-50A-45-RA3 45 560 1,140 1,800 4,500
HPG-50A-45-RA5 45 560 1,140 2,180 4,500
HPG-65A-5-RA5 05 400 400 500 3,000
HPG-65A-12-RA5 12 960 960 1,200 3,000
HPG-65A-15-RA5 15 1,200 1,200 1,500 3,000
HPG-65A-20-RA5 20 1,370 1,600 2,000 3,000
HPG-65A-25-RA5 25 1,470 2,000 2,500 3,000
HPG-65A-40-RA5 40 1,320 1,900 4,000 3,000
HPG-65A-50-RA5 50 1,650 2,200 4,500 3,000

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