Importance

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Abstract

To provide good cage guidance in a window cage for a preferable flangeless spherical roller bearing in order that the bearing might achieve higher loads, the cage includes two annular axially spaced apart ribs and transverse ribs that extend between the annular ribs and define cage pockets. At least one and preferably two and preferably opposite pockets of the cage are loading pockets. The annular ribs are radially outside the pitch circle of the bearing, but at the loading pockets, those ribs are recessed inward nearly on the pitch circle of the bearing and preferably outward thereof about the thickness of the rib material. The angle between the center of the loading pocket and the adjacent pocket is larger than the angle between the centers of other adjacent pockets to facilitate loading of the loading pockets.

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First Claim