Rolling bearing
US4997295A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 15, 1990 |
| Grant date | Mar 5, 1991 |
| Priority date | — |
| Expiry date | Mar 15, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S384/907
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A rolling bearing includes an outer race, an inner race, many balls interposed between the outer race and the inner race, and a retainer for holding the balls at equal intervals in a circumferential direction of the outer peripheral surface of the inner race. At least the balls among the outer race, the inner race, and the ball are coated with a lubricating film, and the retainer is made from linear-chain polyphenylene sulfide as a matrix and containing at least a fluoroplastic by 10 to 60 wt %.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.