# Qinchuan BX40E RV Reducer

![Qinchuan BX40E RV Reducer](https://parts.trymaglev.com/img/ac-qinchuan-bx40e.webp)

Qinchuan RV-E-format reducer; 412 N·m rated, a low-cost alternative to Nabtesco RV-40E/42N.

- Maglev ID: ac-qinchuan-bx40e
- Brand: Qinchuan
- MPN: BX40E
- Category: actuators / Cycloidal & RV Reducers
- Origin: CN (maker HQ, factory not confirmed)
- Maker: Shaanxi Qinchuan Machine Tool & Tool Group (QCMT) (brand, CN)
- NDAA: unknown · Blue UAS: unknown · FCC: n/a
- HTS: 8483.40.50
- MOQ: 1 · Lead time: unknown
- Confidence: REPORTED

## Price
- 1+: $490 (distributor, 2026-10-30, https://aifitlab.com/products/qinchuan-bx40e-reducer)

## Specifications
- Ratio: 57 / 81 / 105 / 121 / 153
- Output torque at 15 r/min: 412 N·m
- Permissible start/stop torque: 1029 N·m (momentary max 2058 N·m)
- Lost motion (max): 1 arcmin
- Outer diameter: unknown
- Hollow shaft: unknown (E-series)
- Mass: 9.3 kg
- Torsional stiffness: 108 N·m/arcmin

## Links
- Product: https://aifitlab.com/products/qinchuan-bx40e-reducer
- Datasheet: none
- CAD: none

## Equivalents
- Shuanghuan / Fine Motion SHPR-40E RV Reducer (ac-shuanghuan-shpr-40e)
- Nabtesco RV-42N Compact RV Reducer (Component Set) (ac-nabtesco-rv-42n)
- Hengfengtai CORT-40E Precision Robot Reducer (ac-hengfengtai-cort-40e)
- Zhenkang ZKRV-40E RV Reducer (ac-zhenkang-zkrv-40e)

## Sources
- https://aifitlab.com/products/qinchuan-bx40e-reducer (reseller spec table, price, stock)
- https://aifitlab.com/products/qinchuan-bx40e-reducer.json (variant prices)