Harmonic Drive LLC | 247 Lynnfield St. Peabody, MA 01960 | 800-921-3332
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PDF Drawings

3D CAD Files

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Series Size Ratio Type
CSD 40 50 2UH
  • Zero Backlash
  • Lightweight
  • Ultra-flat
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 96 Nm
Limit for Average Torque 137 Nm
Limit for Repeated Peak Torque 281 Nm
Limit for Momentary Peak Torque 480 Nm
Starting Torque 50 Ncm
Backdriving Torque 30 Nm
Ave. Input Speed 3,000 rpm
Standard Accuracy 1 arc min
Mass 3.6 kg
Torsional Stiffness
T1 54 Nm
K1 8.8 10^4 Nm / rad
T2 196 Nm
K2 11 10^4 Nm / rad
K3 15 10^4 Nm / rad
Output Bearing
Pitch Circle Diameter (dp) 0.09 m
Offset (R) 0.01 m
Basic Dynamic Rated Load (C) 213 10^2 N
Basic Static Rated Load (Co) 365 10^2 N
Allowable Moment Load (Mc) 450 Nm
Moment Stiffness (Km) 91 10^4 Nm / rad


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