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:
Sep. 05, 2023
Filed:
Sep. 14, 2020
Applicant:
Ntn Corporation, Osaka, JP;
Inventor:
Takashi Kawai, Shizuoka, JP;
Assignee:
NTN CORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 33/36 (2006.01); F16C 33/58 (2006.01); F16C 19/36 (2006.01);
U.S. Cl.
CPC ...
F16C 19/364 (2013.01); F16C 33/366 (2013.01); F16C 33/585 (2013.01); F16C 2220/70 (2013.01);
Abstract
A tapered roller bearing is provided has a grinding undercut with an undercut width A of 0.5 mm or less from a reference point to a large flange surface. The reference point is the intersection point of the imaginary line extending from the generatrix of the raceway surface of the inner ring toward the grinding undercut, and the imaginary line extending from the generatrix of the large flange surface toward the grinding undercut.