CSF-GH Series / Gear Head Harmonic Speed Reducer / Standard Type


The CSF-GH series is a gear head type HarmonicDrive® for high load capacity outfitted with high stiffness bearings (cross roller bearings).
- Backlash-free

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  1. Model: CSF series
  2. Model Nos: 14, 20, 32, 45, 65
  3. Reduction ratio: 50, 80, 100, 120, 160
  4. Model: GH = Gear head type
  5. Output shaft shape:
    • F0 = Flange output
    • J2 = Straight shaft (key-less)
    • J6 = Raight shaft (key center, tapped)
  6. Form symbol for motor flange and input joint (will vary depending on the motor mounted)
  7. Special specification:
    • No description = Standard product
    • SP = Special specification


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Catalog Series Catalog name Japanese English Traditional Chinese
HarmonicDrive® Reducer for precision control General catalog of HarmonicDrive® 2404-27R 2404-27R 2404-27R

Manual / Software

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Manual/Software Type/Series Material name/software name Detailed information English
Manual HarmonicDrive® Speed Reducer HarmonicDrive® Engineering Data

Related products

This series adopts standard one-touch input joints and mounting flanges for servo motors from various companies to enable simple motor mounting. The CSG Series features the highest-spec model with a 30% higher torque capacity and 43% longer speed reducer life than the CSF Series of standard models.
The standard planetary speed reducer Harmonic Planetary® model. This high accuracy planetary speed reducer has a back lash of three minutes or less with standard specifications and one minute or less with precision specifications.


If you have any comments about this product, please contact us using the inquiry form or the nearest sales office.

The academic and general name of "Harmonic Drive®" is "Strain Wave Gearing", and the name "Harmonic Drive®" is a registered trademark that can only be used for products manufactured and sold by the Company.

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