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:
Jan. 16, 2007
Filed:
Dec. 25, 2002
Toshihisa Ohata, Kanagawa, JP;
Hiroshi Ishiguro, Kanagawa, JP;
Toshihisa Ohata, Kanagawa, JP;
Hiroshi Ishiguro, Kanagawa, JP;
NSK Ltd., Tokyo, JP;
Abstract
A bearing to be used for a pulley in an auxiliary device for the engine of an automobile includes an outer ring, an inner ring, double rows of ballsand, retainersand, and sealsandwhich are disposed on the rear surface sides of the retainersandso as to be spaced therefrom thereby to form spaces for accommodating grease, respectively. The bearing for a pulley used in an auxiliary device for the engine of an automobile is arranged in a manner that the outer diameter of the bearing is 65 mm or less, the width of the bearing is 45% or less of the inner diameter thereof, the diameter of each of the ballsandis 4 mm or less, and a distance L between the rear surfacesof the retainersandand the inner surfacesof the sealsandare set to be 13% or more of the diameter Da of the ball.