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:
Feb. 04, 2003
Filed:
Aug. 07, 2000
Applicant:
Inventors:
Katsuhiko Tanaka, Kanagawa, JP;
Keisuke Kimura, Kanagawa, JP;
Kazuhiro Uemura, Kanagawa, JP;
Shoji Noguchi, Kanagawa, JP;
Hiroshi Nakajima, Kanagawa, JP;
Toru Takamizawa, Kanagawa, JP;
Assignee:
NSK Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 1/902 ; F16C 3/366 ;
U.S. Cl.
CPC ...
F16C 1/902 ; F16C 3/366 ;
Abstract
A ball bearing comprises an inner ring, an outer ring and a plurality of balls disposed between inner and outer rings. The number of the balls is made to be not smaller than 10. Lubricant is also enclosed between the inner and outer rings in such a manner that the amount of the lubricant is regulated not more than 8% of the volume of a space between the inner and outer rings.