The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 16, 2016
Filed:
Nov. 07, 2013
Ntn Corporation, Osaka, JP;
NTN CORPORATION, Osaka, JP;
Abstract
A cage for a rolling bearing having a film, formed on a surface thereof, which wears little over a long period of time from an initial stage of sliding contact between the film and rolling elements as well as other members and does not peel off the surface of a base material of the cage or dissolve in lubricating oil containing a sulfur-based additive and a rolling bearing having the cage. A cage () retains needle rollers () which are rolling elements of a needle rolling bearing (). Of an entire outer surface of the cage (), a tin alloy film consisting of tin and a metal other than the tin is formed on at least a sliding-contact surface of the cage () to be subjected to sliding contact with the needle rollers () and a sliding-contact surface thereof to be subjected to sliding contact with other members.