Drawn cup roller bearing and method of producing drawn cup...

Details Drawn cup roller bearing and method of producing drawn cup... Drawn cup roller bearing and method of producing drawn cup...

2011-05-03

2011-05-03

Charles, Marcus (Department: 3656)

Bearings

Rotary bearing

Antifriction bearing

C384S569000, C029S898067

Reexamination Certificate

active

07934872

ABSTRACT:
A drawn cup roller bearing includes: a drawn cup outer ring that includes a cylindrical portion serving as an outer raceway surface, a first rib which is formed at one axial end portion of the cylindrical portion and is bent radially inwardly such that a step portion is formed at an intermediate portion of the first rib, and a second rib which is formed at the other axial end portion of the cylindrical portion and is radially inwardly folded back; an annular seal which is press-fitted in the step portion; and a cage which holds a plurality of rollers and is inserted into the drawn cup outer ring from the second rib to be mounted in the drawn cup outer ring in such a manner that the cage is retained against withdrawal by the step portion and the plurality of rollers is retained against withdrawal by the second rib.

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patent: 7661883 (2010-02-01), Gresley
patent: 7758251 (2010-07-01), Akamatsu
patent: 2200921 (1974-05-01), None
patent: 2001-099145 (2001-04-01), None
patent: 2002-089550 (2002-03-01), None
patent: 2005-163994 (2005-06-01), None

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