Spherical roller bearing cage with cylindrical guidance contact surfaces
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United States of America Patent
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Jun 23, 2015
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N/A
app pub date -
Apr 25, 2014
filing date -
May 7, 2013
priority date (Note) -
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Abstract
A roller bearing cage has a cage element adapted for retaining the barrel-shaped rollers and allowing the rollers to be rollable therein. The cage element includes a main portion having a plurality of pockets, an outward flange portion extending outwardly in a radial direction and an inward flange portion extending inwardly in the radial direction. The outward flange portion being formed on a side edge of the main portion and the inward flange being formed on an opposite side edge portion thereof. The outward flange portion includes an outward flange guide surface for guiding barrel-shaped rollers. The guide surface is cylindrical in shape and adjacent each pocket. The guide surface is adapted to abut an axial end of the rollers.
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