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


Series Size Ratio Type Option
CSF 45 50 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 176 Nm
Limit for Average Torque 265 Nm
Limit for Repeated Peak Torque 500 Nm
Limit for Momentary Peak Torque 950 Nm
Starting Torque 77 Ncm
Backdriving Torque 47 Nm
Ave. Input Speed 3,000 rpm
Standard Accuracy 1 arc min
Mass 5.1 kg
Torsional Stiffness
T1 76 Nm
K1 15 10^4 Nm / rad
T2 275 Nm
K2 20 10^4 Nm / rad
K3 26 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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