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:
Oct. 14, 2025
Filed:
Feb. 21, 2022
Applicant:
Ntn Corporation, Osaka, JP;
Inventors:
Assignee:
NTN CORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 33/10 (2006.01); F16C 17/10 (2006.01); F16C 33/12 (2006.01);
U.S. Cl.
CPC ...
F16C 33/104 (2013.01); F16C 17/107 (2013.01); F16C 33/128 (2013.01);
Abstract
An internal pore of a sintered metal bearingis impregnated with a lubricating fluid, and a radial dynamic pressure generation portionis formed on an inner peripheral surface. An axial dimension L is 4.8 nm or less, a thickness dimension t is 0.5 mm or more and 1.5 nm or less, and a ratio L/Dof the axial dimension L to an outer diameter dimension Dis 0.24 or more and 0.6 or less.