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.
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 |
Who makes it
Need a different shaft, connector, firmware or enclosure, or a price at 1,000 units? Maglev takes the catalog part to the factory and comes back with a custom version and one fixed price.
Landed cost in the US
Total US duty on this part by where it is made (2026-10-29). Mexico shown before USMCA preference; qualifying goods enter duty free. Your factory choice, not the shipping port, sets the origin.
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Compliance
| HTS classification | 8482.50.0000 |
|---|---|
| NDAA | unknown |
| Blue UAS | unknown |
| FCC | n/a |
Equivalents from other makers
Sources
- https://chinazys.en.made-in-china.com/product/ZOKnXwvdeTkV/China-Zys-High-Precision-Cross-Roller-Bearings.htmlRU size table (d, D, B, C, C0, mass), lead time, maker
Record confidence: REPORTED. VERIFIED means the maker's own documents; REPORTED means a credible third party; UNVERIFIED means a single weak source. Anything we could not confirm says unknown.

