Bearing unit with improved inner race

Details Bearing unit with improved inner race Bearing unit with improved inner race

1980-02-25

1982-04-06

Footland, Lenard A.

Cutlery

308236, 308189R, F16C 3360

Patent

active

043232884

ABSTRACT:
A bearing assembly especially adapted for use as a trolley wheel for overhead conveyors. The assembly includes a multipart inner race in which one annular part, preferably machined from steel, bears the major loading on the assembly and the other annular part, preferably formed from sheet metal, bears only minor loading. The major load bearing inner race part extends on either side of the root diameter of the inner raceway and allows a full complement of balls to be inserted in place between the inner and outer raceways without heating and expansion, or contraction, or any other treatment of the inner or outer race parts. The minor load bearing inner race part is preferably clamped to the major load bearing part and provides a contoured extension of the major load bearing raceway for guidance and ball retention purposes. Preferably, the outer race outer circumference is curved to accommodate a sloped support track in overhead conveyors such that the loading force is directed through the balls to the major load bearing inner race part.

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