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 Option
CSG 45 80 2UH LW
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 407 Nm
Limit for Average Torque 507 Nm
Limit for Repeated Peak Torque 918 Nm
Limit for Momentary Peak Torque 1,651 Nm
Starting Torque 54 Ncm
Backdriving Torque 53 Nm
Ave. Input Speed 3,000 rpm
Standard Accuracy 1 arc min
Mass 5.1 kg
Torsional Stiffness
T1 76 Nm
K1 18 10^4 Nm / rad
T2 275 Nm
K2 29 10^4 Nm / rad
K3 33 10^4 Nm / rad
Output Bearing
Pitch Circle Diameter (dp) 0.11 m
Offset (R) 0.01 m
Basic Dynamic Rated Load (C) 230 10^2 N
Basic Static Rated Load (Co) 426 10^2 N
Allowable Moment Load (Mc) 563 Nm
Moment Stiffness (Km) 116 10^4 Nm / rad

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