# Harmonic Drive CSF-17-100-2UH Strain-Wave Gear Unit

![Harmonic Drive CSF-17-100-2UH Strain-Wave Gear Unit](https://parts.trymaglev.com/img/ac-harmonicdrive-csf-17-100-2uh.webp)

Size-17 100:1 zero-backlash strain-wave gear unit with integrated cross-roller output bearing; the incumbent reference that Chinese harmonic reducers are measured against.

- Maglev ID: ac-harmonicdrive-csf-17-100-2uh
- Brand: Harmonic Drive
- MPN: CSF-17-100-2UH
- Category: actuators / Strain-Wave (Harmonic) Reducers
- Origin: JP (maker HQ, factory not confirmed)
- Maker: Harmonic Drive Systems (JP) / Harmonic Drive LLC (US) (brand, JP)
- NDAA: unknown · Blue UAS: unknown · FCC: n/a
- HTS: 8483.40.50.10 (typical)
- MOQ: unknown · Lead time: unknown
- Confidence: VERIFIED

## Price
- No public price. Request a quote via POST /api/rfq or the order pad.

## Specifications
- Ratio: 100:1
- Rated torque (L10): 24 N·m
- Repeated / momentary peak: 54 / 108 N·m
- Backlash: zero backlash (standard accuracy 1.5 arcmin)
- Outer diameter: unknown
- Mass: 680 g
- Backlash: 0 arcsec (zero backlash (standard accuracy 1.5 arcmin))
- Hollow shaft: unknown

## Links
- Product: https://www.harmonicdrive.net/products/gear-units/gear-units/csf-2uh
- Datasheet: https://www.harmonicdrive.net/_hd/content/documents1/CSG-CSF_GearUnits.pdf
- CAD: https://www.harmonicdrive.net/downloads/stp-files/csf-2uh-gear-units

## Equivalents
- Leaderdrive LCS-17-100 Cup-Type Strain-Wave Reducer (ac-leaderdrive-lcs-17-100)
- Leaderdrive LCSG-17-100 Cup-Type Strain-Wave Reducer (ac-leaderdrive-lcsg-17-100)
- Laifual FSG Strain-Wave Reducer, Size 17 (ac-laifual-fsg-17)
- Spinea TwinSpin TS 70 Cycloidal Reduction Bearing (T series) (ac-spinea-ts70-75-tb)
- TC Drive CS-17-100-C-C Cup-Type Strain-Wave Reducer (ac-tcdrive-cs-17-100-c-c)

## Works with
- RLS AksIM-2 Off-Axis Absolute Rotary Encoder (ac-rls-aksim-2)
- Renishaw RESOLUTE Rotary Readhead, BiSS 32-bit, 150 mm Ring (ac-renishaw-resolute-ra32bba150b30f)
- Harmonic Drive SHA20A Hollow-Shaft Rotary Actuator (CG, 1:100) (ac-harmonicdrive-sha20a-100)

## Sources
- https://www.harmonicdrive.net/products/gear-units/gear-units/csf-2uh (ordering-code table (rated/peak torque, accuracy, mass), CAD paths)