Patent · US Expired

Rolling bearing

US6702473B2 · kind B2 · utility

7Cited by
31References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 18, 2001
Grant dateMar 9, 2004
Priority date
Expiry dateJan 15, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S384/911
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

An improved rolling bearing, in particular one being used in aqueous environment, such as water and steam, comprising an outer race, an inner race, rolling elements, and a retainer holding said rolling elements in a spaced relation from each other, wherein the races of the bearing are made of stellite, the rolling elements are made of hot-isostatic-pressed alumina-zirconia composites, and the retainer is made of poly-ether ether ketone comprising graphite fibers, graphite powder, and polytetrafluoroethylene.

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