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. 11, 2001
Filed:
Sep. 28, 1999
Applicant:
Inventors:
Kenichi Iso, Kanagawa, JP;
Atsushi Yokouchi, Kanagawa, JP;
Hideki Koizumi, Kanagawa, JP;
Kenji Okuma, Kanagawa, JP;
Yasuhiro Hirayama, Kanagawa, JP;
Assignee:
NSK Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C10M / ; F16C 3/366 ;
U.S. Cl.
CPC ...
C10M / ; F16C 3/366 ;
Abstract
A rolling bearing has a grease filled therein. The grease contains a perfluoropolyether oil having a straight-chain structure having a dynamic viscosity of from 40 to 160 mm,/s, preferably from 40 to 100 mm,/s, at 40° C. as a base oil and a particulate fluororesin as a base oil, and a particulate polytetrafluoroethylene as a thickening agent.