# ZYS RU85 Crossed Roller Bearing (55 x 120 x 15 mm, mounting holes)

RU85-size one-piece crossed roller bearing with built-in mounting holes from the Luoyang Bearing Research Institute, a factory-direct alternative to THK RU85 for robot joint output stages.

- Maglev ID: ac-zys-ru85
- Brand: ZYS
- MPN: RU85
- Category: actuators / Crossed Roller Bearings
- Origin: CN (maker HQ, factory not confirmed)
- Maker: Luoyang Bearing Research Institute Co., Ltd. (ZYS) (factory, CN)
- NDAA: unknown · Blue UAS: unknown · FCC: n/a
- HTS: 8482.50.0000
- MOQ: unknown · Lead time: about one month (supplier profile)
- Confidence: REPORTED

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

## Specifications
- Bore: 55 mm
- Outside diameter: 120 mm
- Width: 15 mm
- Basic dynamic load rating C: 20.3 kN
- Type: Crossed roller, integral inner and outer rings with mounting holes (RU type)
- Basic static load rating C0: 29.5 kN

## Links
- Product: https://chinazys.en.made-in-china.com/product/ZOKnXwvdeTkV/China-Zys-High-Precision-Cross-Roller-Bearings.html
- Datasheet: none
- CAD: none

## Equivalents
- THK RU85 Cross-Roller Ring (55 x 120 x 15 mm) (ac-thk-ru85)
- HIWIN CRBE 05515 Crossed Roller Bearing (55 x 120 x 15 mm) (ac-hiwin-crbe05515)

## Sources
- https://chinazys.en.made-in-china.com/product/ZOKnXwvdeTkV/China-Zys-High-Precision-Cross-Roller-Bearings.html (RU size table (d, D, B, C, C0, mass), lead time, maker)