Bearings – Rotary bearing – Antifriction bearing
Patent
1989-03-13
1989-12-19
Footland, Lenard A.
Bearings
Rotary bearing
Antifriction bearing
384569, F16C 3358
Patent
active
048879185
ABSTRACT:
A drawn cup roller bearing consisting of an annular outer ring and a plurality of rollers assembled therewith is provided, wherein said annular outer ring has at each of its axially opposite ends, an inside integral flange with an inwardly projecting roller-retaining edge at its free end thereby to form an internal peripheral annular space in the outer ring capable of retain a number of rollers in side-by-side relation, while at each of the ends of the roller is provided an end projection having a concave sidewall and a generally trapezoidal vertical section viz., so-called dumbbel type roller, which is adapted to be held by said inwardly projecting roller-retaining edges so that a number of rollers are freely and movably held on the internal peripheral annular space formed in the annular outer ring by the opposing inwardly projecting edges without fear of coming off therefrom even in the absence of a shaft to be received in the annular outer ring. Due to the unique structure of the present invention, the present drawn cup roller bearing has a greater roller retaining capacity, and even when the shaft has been removed from central opening of the annular outer ring, the rollers do not come off from the outer ring in which they are fully and movably held, while any part of the bearing does not require any strict dimensional accuracy in the manufacture and, further, the rollers can be assembled easily in the annular outer ring and due to a simple construction, the production cost of the bearing as a whole can be greatly reduced.
REFERENCES:
patent: 4523362 (1985-06-01), Cuozzo et al.
Footland Lenard A.
Nippon Thompson Co. Ltd.
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