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:
May. 03, 2011
Filed:
Aug. 07, 2006
Kazuyoshi Harada, Kuwana, JP;
Tomoya Sakaguchi, Kuwana, JP;
Kazuyoshi Harada, Kuwana, JP;
Tomoya Sakaguchi, Kuwana, JP;
NTN Corporation, Osaka, JP;
Abstract
A tapered roller bearing includes bearing rings including an inner ring and an outer ring, a roller rolling between the inner ring and the outer ring, and a cage having a pocket holding the roller and located adjacent to the outer ring. A radial clearance δ between the cage and the outer ring when the cage is in a neutral position, a radial clearance δbetween the roller held in the pocket and the cage, and a circumferential clearance δbetween the roller held in the pocket and the cage satisfy relations δ>δand −2≦(δ−δ)/(δ−δ)≦0.