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

Series Size Version Ratio Type
HPG 11 B 37 U1
  • High Efficiency
  • Low Backlash
  • High load capacity output bearing
**Drawing does not include modified features for mounting the selected motor.

Gear Model Number
Gear Dimensions (see drawing)
Flange Dim A - Motor Adapter Flange Bore Dia. {{foundMotor.flangeDimA}} mm
Flange Dim B - Motor Adapter Flange Bore Depth {{foundMotor.flangeDimB}} mm
Motor Dim C - Motor Bolt Circle Dia. {{foundMotor.dimC}} mm
Flange Dim D - Bolt Size {{foundMotor.flangeDimD}}
Coupling Dim F - Motor Coupling Bore Dia. {{foundMotor.couplingDimF}} mm
Mass kg
Gear Performance Data
Rated Torque L10 3.4 Nm
Rated Torque L50 9 Nm
Limit for Average Torque 6 Nm
Limit for Repeated Peak Torque 10 Nm
Limit for Momentary Peak Torque 20 Nm
Starting Torque 5.5 Ncm
Backdriving Torque 2 Nm
Max. Input Speed 10,000 rpm
Ave. Input Speed 3,000 rpm
Standard Accuracy 5 arc min
Gear Backlash < 3 arc min
Mass 0.26 kg
Torsional Stiffness
K1 0.22 10^4 Nm / rad
Output Bearing
Pitch Circle Diameter (dp) 0.02 m
Basic Dynamic Rated Load (C) 31.16 10^2 N
Basic Static Rated Load (Co) 40.87 10^2 N
Allowable Moment Load (Mc) 9.5 Nm
Moment Stiffness (Km) 0.88 10^4 Nm / rad
Permissible Radial Load 520 N
Permissible Axial Load 780 N


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