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

Series Size Ratio Type
CSF 25 100 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 67 Nm
Limit for Average Torque 108 Nm
Limit for Repeated Peak Torque 157 Nm
Limit for Momentary Peak Torque 284 Nm
Starting Torque 8 Ncm
Backdriving Torque 9.8 Nm
Ave. Input Speed 3,500 rpm
Standard Accuracy 1 arc min
Mass 1.5 kg
Torsional Stiffness
T1 14 Nm
K1 3.1 10^4 Nm / rad
T2 48 Nm
K2 5 10^4 Nm / rad
K3 5.7 10^4 Nm / rad
Output Bearing
Pitch Circle Diameter (dp) 0.06 m
Offset (R) 0.01 m
Basic Dynamic Rated Load (C) 96 10^2 N
Basic Static Rated Load (Co) 151 10^2 N
Allowable Moment Load (Mc) 156 Nm
Moment Stiffness (Km) 24.2 10^4 Nm / rad


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