Harmonic Drive LLC | 247 Lynnfield St. Peabody, MA 01960 | 800-921-3332
Harmonic Drive and Harmonic Planetary are registered trademarks of Harmonic Drive LLC.


Series Size Ratio Type
CSG 65 100 2A-GR
  • Peak Torque: 23Nm to 3419Nm

  • Zero Backlash

  • High Accuracy

  • High load capacity output bearing

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 1,236 Nm
Limit for Average Torque 1,976 Nm
Limit for Repeated Peak Torque 2,990 Nm
Limit for Momentary Peak Torque 6,175 Nm
Starting Torque 108 Ncm
Backdriving Torque 143 Nm
Ave. Input Speed 1,900 rpm
Standard Accuracy 1 arc min
Mass 6.7 kg
Torsional Stiffness
T1 235 Nm
K1 54 10^4 Nm / rad
T2 843 Nm
K2 88 10^4 Nm / rad
K3 98 10^4 Nm / rad

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