Patent · US Expired

Bearing cage and rolling bearing having the same

US6682224B2 · kind B2 · utility

10Cited by
4References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 25, 2002
Grant dateJan 27, 2004
Priority date
Expiry dateApr 14, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S384/908
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A rolling bearing comprises an inner ring, an outer ring concentric with the inner ring, a plurality of rolling elements interposed between the inner ring and the outer ring, and a cage having pockets each accommodating the rolling elements one each. The cage comprises base material made of thermoplastic resin. Reinforced fiber and solid lubricant are mixed into the base material. The solid lubricant includes three materials, i.e., polytetrafluoroethylene, molybdenum disulfide and graphite.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.