Title:
DOUBLE-ROW ANGULAR BALL BEARING
Document Type and Number:
Japanese Patent JP2017137963
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a double-row angular ball bearing which contributes to the elongation of a life of a bearing by further improving lubrication performance, does not impair assembling performance as an angular ball bearing, and can secure quietness.SOLUTION: A double-row angular ball bearing has: a rotation-side first bearing ring in which a first double-row raceway groove is formed; a fixed-side second bearing ring in which a double-row second raceway groove opposing the double-row first raceway groove is formed; a plurality of double-row balls which are rollingly arranged between the double-row first raceway groove and the double-row second raceway groove; a pair of cages for arranging a plurality of the double-row balls in a peripheral direction at substantially-equal intervals; and a ring member which is attached between rows of the double-row second raceway groove of the second bearing ring, and whose tip in a radial direction forms a ring which is decentered with respect to an axial core of the second bearing gear.SELECTED DRAWING: Figure 1
Inventors:
KORISHIMA SOTARO
Application Number:
JP2016020387A
Publication Date:
August 10, 2017
Filing Date:
February 05, 2016
Export Citation:
Assignee:
NSK LTD
International Classes:
F16C33/66; F16C19/08; F16C43/06