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:
Apr. 06, 2004
Filed:
Mar. 15, 2000
Hideto Torisawa, Kuwana, JP;
Michiyoshi Ishimaru, Kuwana, JP;
Hiromitsu Kondo, Kuwana, JP;
Akihiko Tomiya, Kuwana, JP;
NTN Corporation, Osaka-fu, JP;
Abstract
A rolling bearing provided with measures to suppress a rise in temperature. The rolling bearing comprises inner and outer races, a plurality of rolling elements interposed between the inner and outer races, and a cage for retaining the rolling elements . On the use conditions that the direction of load is stationary to the outer/inner race and rotational with respect to the inner/outer race of the two races, the cage is guided for rotation with outer/inner regions of its pocket surfaces in contact with the rolling elements . It is also intended to facilitate satisfactory lubrication by means of grease and to enhance the durability and life of the bearing. For that purpose, a bearing incorporated into a main motor is arranged with both end faces adjoining end members and that have grease pockets and formed therein, respectively. The bearing includes an outer race whose bore surfaces and on its ribs and are flush with the inner peripheries and of the grease pockets and in the end members and , respectively.