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:
Mar. 03, 2020
Filed:
Nov. 11, 2016
Applicant:
Nsk Ltd., Tokyo, JP;
Inventor:
Yuki Sakaguchi, Fujisawa, JP;
Assignee:
NSK LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 19/18 (2006.01); F16C 33/60 (2006.01); F16C 19/10 (2006.01); F16C 19/16 (2006.01); F16C 33/58 (2006.01);
U.S. Cl.
CPC ...
F16C 19/18 (2013.01); F16C 19/10 (2013.01); F16C 19/166 (2013.01); F16C 19/181 (2013.01); F16C 33/585 (2013.01); F16C 33/60 (2013.01); F16C 2240/54 (2013.01); F16C 2240/70 (2013.01); F16C 2352/00 (2013.01);
Abstract
Provided is a multi-row ball bearing that includes an outer ring, an inner ring, and two or more rows of balls retained by raceway surfaces of the outer and inner rings. Each of the raceway surfaces is formed as a Gothic arch groove, and the outer and inner rings are division races that are divided on at least one of the raceway 5 surfaces at a middle position of the raceway surface.