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:
Nov. 08, 2022
Filed:
Mar. 25, 2021
Applicant:
Ntn Corporation, Osaka, JP;
Inventor:
Tsutomu Maiwa, Kuwana, JP;
Assignee:
NTN Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 33/66 (2006.01); F16C 33/32 (2006.01); F16C 19/06 (2006.01);
U.S. Cl.
CPC ...
F16C 33/6648 (2013.01); F16C 19/06 (2013.01); F16C 33/32 (2013.01); F16C 33/6696 (2013.01);
Abstract
A rolling bearing makes use of a porous rolling element and a selected kind of lubricant to impregnate with; is usable in various conditions; does not discharge foreign objects; and features low dust generation and long life. The rolling bearing includes an outer ring; an inner ring; and a plurality of rolling elementsassembled between mutually opposed outer ring track surfaceand inner ring track surface. The plurality of rolling elementsis provided by a combination of a porous rolling elementimpregnated with a lubricant and a non-porous rolling element