# Shuanghuan / Fine Motion SHPR-20E RV Reducer

Chinese RV-E-format reducer from Shuanghuan's robot-joint unit; 167 N·m rated, Nabtesco RV-20E-compatible ratings.

- Maglev ID: ac-shuanghuan-shpr-20e
- Brand: Shuanghuan (Fine Motion)
- MPN: SHPR-20E
- Category: actuators / Cycloidal & RV Reducers
- Origin: CN (maker HQ, factory not confirmed)
- Maker: Zhejiang Fine Motion Robot Joint Technology Co., Ltd. (环动科技), Shuanghuan Driveline group (brand, CN)
- NDAA: unknown · Blue UAS: unknown · FCC: n/a
- HTS: 8483.40.50
- MOQ: unknown · Lead time: unknown
- Confidence: VERIFIED

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

## Specifications
- Ratio: 57 / 81 / 105 / 121 / 141 / 161
- Output torque at 15 r/min: 167 N·m
- Allowable start/stop torque: 412 N·m (momentary max 833 N·m)
- Lost motion: 1 arcmin
- Outer diameter: 145 mm (from outline drawing)
- Hollow shaft: No (E-series, small center hole)
- Mass: 4.7 kg
- Torsional stiffness: 49 N·m/arcmin

## Links
- Product: http://www.finemotion.com.cn/home/Index/product?id=34
- Datasheet: none
- CAD: none

## Equivalents
- Qinchuan BX20E RV Reducer (ac-qinchuan-bx20e)
- Nabtesco RV-25N Compact RV Reducer (Component Set) (ac-nabtesco-rv-25n)
- Hengfengtai CORT-20E Precision Robot Reducer (ac-hengfengtai-cort-20e)
- Zhenkang ZKRV-20E RV Reducer (ac-zhenkang-zkrv-20e)
- Zhongda Leader 150BX-RVE Precision Cycloid Reducer (ac-zhongda-150bx-rve)

## Sources
- http://www.finemotion.com.cn/home/Index/product?id=34 (rating table and outline drawing (Chinese))
- https://www.gearsnet.com (Shuanghuan site links to finemotion.com.cn)