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
CSF 80 80 2A-GR

• Compact design
• High torque capacity
• High torsional stiffness
• Zero backlash
• High positioning accuracy
• Housed configuration is available

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 1,320 Nm
Limit for Average Torque 1,830 Nm
Limit for Repeated Peak Torque 3,430 Nm
Limit for Momentary Peak Torque 6,590 Nm
Starting Torque 200 Ncm
Backdriving Torque 200 Nm
Ave. Input Speed 1,500 rpm
Standard Accuracy 1 arc min
Mass 12.4 kg
Torsional Stiffness
T1 430 Nm
K1 100 10^4 Nm / rad
T2 1,570 Nm
K2 162 10^4 Nm / rad
K3 185 10^4 Nm / rad

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Call: 978-532-1800

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