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:
Dec. 09, 2014
Filed:
Feb. 24, 2010
Hidenobu Mikami, Mie, JP;
Yosuke Taguchi, Mie, JP;
Hidenobu Mikami, Mie, JP;
Yosuke Taguchi, Mie, JP;
NTN Corporation, Osaka, JP;
Abstract
A rolling bearing which has excellent performance at high-temperatures and has high-speed durability and quietness, is capable of effectively preventing hydrogen brittleness-caused peeling from occurring on a rolling surface thereof, and has a low environmental load. The rolling bearing () is constructed of an inner ring () having a rolling surface on its peripheral surface, an outer ring () having a rolling surface on its inner peripheral surface, a plurality of rolling elements () disposed between both rolling surfaces, and a cage () retaining the rolling elements (). The inner ring (), the outer ring (), the rolling elements () or the cage () are metal-made bearing members. Film-coating treatment is conducted on a sliding surface or a rolling surface of at least one of these metallic bearing members with plant-derived polyvalent alcohol compounds such as curcumin, quercetin, chlorogenic acid or the like.