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. 18, 2014
Filed:
Jan. 17, 2012
Yoshifumi Sugita, Kanagawa, JP;
Yoshifumi Sugita, Kanagawa, JP;
NSK Ltd., Tokyo, JP;
Abstract
The present invention provides a rolling bearing capable of suppressing the generation of retainer noise and abnormal vibration by specifying the circumferential width of axial grooves formed on the guide face of an outer ring guide retainer or an inner ring guide retainer. In a rolling bearingaccording to the present invention, axial groovesare formed on the outer circumferential face of the outer ring guide type retainerthereof. The displacement amount xo of the center position of the retainer, the outer diameter Doc of the retainer, the guide diameter Dog of the outer ring, the circumferential width h of the axial grooves, the guide clearance ΔLc between the outer ringand the retainer, and the clearance ΔP between the pocketand the rolling elementsatisfy the following relational expressions: are satisfied.