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 50 50 2UH
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 245 Nm
Limit for Average Torque 350 Nm
Limit for Repeated Peak Torque 715 Nm
Limit for Momentary Peak Torque 1,430 Nm
Starting Torque 110 Ncm
Backdriving Torque 62 Nm
Ave. Input Speed 2,500 rpm
Standard Accuracy 1 arc min
Mass 8.9 kg
Torsional Stiffness
T1 108 Nm
K1 20 10^4 Nm / rad
T2 382 Nm
K2 28 10^4 Nm / rad
K3 34 10^4 Nm / rad
Output Bearing
Pitch Circle Diameter (dp) 0.11 m
Offset (R) 0.01 m
Basic Dynamic Rated Load (C) 348 10^2 N
Basic Static Rated Load (Co) 602 10^2 N
Allowable Moment Load (Mc) 759 Nm
Moment Stiffness (Km) 171 10^4 Nm / rad

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