CSG Series / Component / Cup Type High Torque Type


The component type, which is comprised of only three basic components.

- High torque
- Long service life (better rated life)
- Backlash-free

Compared to CSF Series:
    Torque capacity increased by 30%
    Service life improved by 43% (10,000 hours)

*Product images are for reference purposes.


  1. Model name: CSG series
  2. Model Nos: 14, 17, 20, 25, 32, 40, 45, 50, 58, 65
  3. Reduction ratio: 50, 80, 100, 120, 160
  4. Model: 2A-GR = Component type (2A-R for model Nos 14 and 17)
  5. Specification: Symbols for the lubrication method and using conditions
  6. 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

An AC servo actuator that combines a dedicated flat AC servo motor design with Harmonic Drive®. This series features a flat, hollow bore structure, which can simplify the overall structure of machinery and equipment. You can select either the SHA-SG type that features a compact shape, or the SHA-CG type with an improved output shaft surface runout accuracy.
This model pushes flatness to new extremes. In comparison with the CSG/CSF Series, it halves the length in the shaft direction.
Achieves a 30% lighter design than the previous CSG unit series. Contributes to lighter and faster equipment and robots with greater load capacity.
A sealed full unit type that integrates everything up to the input side seal. This easy-to-handle product requires no seal design.


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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