# Laifual FHG-25-100 High-Torque Hat-Type Hollow Strain-Wave Reducer

![Laifual FHG-25-100 High-Torque Hat-Type Hollow Strain-Wave Reducer](https://parts.trymaglev.com/img/ac-laifual-fhg-25-100.webp)

Size-25 100:1 high-torque hat-type harmonic reducer offered in hollow-shaft unit versions (FHG-III/IV) for cable pass-through robot joints.

- Maglev ID: ac-laifual-fhg-25-100
- Brand: Laifual
- MPN: FHG-25-100
- Category: actuators / Strain-Wave (Harmonic) Reducers
- Origin: CN (maker HQ, factory not confirmed)
- Maker: Zhejiang Laifual Drive Co., Ltd. (浙江来福谐波传动股份有限公司, HKEX 3952) (brand, CN)
- NDAA: unknown · Blue UAS: unknown · FCC: n/a
- HTS: 8483.40.50.10
- 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: 87 N·m at 2,000 rpm input
- Peak torque (repeated / momentary): 204 N·m repeated (start/stop) / 369 N·m momentary
- Backlash: ≤20 arcsec
- Outer diameter: unknown
- Hollow shaft: yes (hollow unit variants FHG-III / FHG-IV; FHG-I/II are component types)

## Links
- Product: https://www.laifualdrive.com/fhg/
- Datasheet: none
- CAD: none

## Equivalents
- Harmonic Drive SHG-25-100-2UH Hollow-Shaft Strain-Wave Gear Unit (ac-harmonicdrive-shg-25-100-2uh)
- Leaderdrive LHSG-25-100 High-Torque Hat-Type Strain-Wave Reducer (ac-leaderdrive-lhsg-25-100)
- TC Drive HSG-25-100-C-H High-Torque Hollow Hat-Type Strain-Wave Unit (ac-tcdrive-hsg-25-100-c-h)

## Sources
- https://www.laifualdrive.com/fhg/ (FHG rating table: size 25, ratio 100, backlash)