Patent · US Expired

Rolling bearing

US4997295A · kind A · utility

13Cited by
5References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 15, 1990
Grant dateMar 5, 1991
Priority date
Expiry dateMar 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.