ROLLING BEARING AND MANUFACTURING METHOD THEREOF
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United States of America Patent
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N/A
Issued Date -
Jun 13, 2013
app pub date -
May 19, 2011
filing date -
May 21, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention provides a rolling bearing which is excellent in strength, rigidity, heat resistance, and dimensional accuracy while being able to hold rolling elements in a stable manner and reduce manufacturing cost without degrading performance as a bearing and a manufacturing method for the rolling bearing. To achieve the object, the present invention adopts a rolling bearing including a cage provided with a plurality of pockets for housing and hold the rolling elements arranged at specific intervals in a circumferential direction in a peripheral wall of a cylindrical member. The cage is formed integrally by metal powder injection molding; and the cage includes a housing space for the rolling elements and a rolling-element fall-out prevention structure is formed by applying compressive working to an outer edge of the housing space in a direction from an outer circumferential surface toward a radial center of the cage.
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