CSD Series / Unit / Super Flat Type Hollow & Flat Shape Unit


The unit type features a CSD Series component outfitted with high stiffness bearings (cross roller bearings) for a compact design.
This achieves a hollow structure and increased bearing load capacity.

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  1. Model: CSD series
  2. Model Nos: 14, 17, 20, 25, 32, 40, 50
  3. Reduction ratio: 50, 80, 100, 120, 160
  4. Model:
    • 2UH = Extremely thin and compact unit type (model numbers 14 to 50) Click here for details
    • 2UF = Hollow bore structure type with higher roller bearing load capacity (model Nos 14 to 40)
  5. Special specification:
    • No description = Standard product
    • SP = Special specification


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Catalog Series Catalog name PDF
HarmonicDrive® Reducer for precision control General catalog of HarmonicDriveR

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 model pushes flatness to new extremes. In comparison with the CSG/CSF Series, this module reduces the length in the shaft direction by about 50%.


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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