Double row bearing assembly with tapered roller bearings

Details Double row bearing assembly with tapered roller bearings Double row bearing assembly with tapered roller bearings

1977-06-30

1978-04-25

Blix, Trygve M.

Cutlery

308214, 308216, 308219, F16C 2306

Patent

active

040859843

ABSTRACT:
A high speed bearing assembly for supporting a shaft within a housing includes two single row tapered roller bearings mounted indirectly so as to in effect create a double row bearing which is capable of accommodating thrust loading in both axial directions, as well as radial loading. The cones of the two bearings are clamped tightly together on a shaft with their thrust ribs and back faces presented away from each other. The cups are fitted loosely into the housing with their back faces presented toward each other. The housing contains a rigid spacer which is interposed between the back faces of two cups, and the spacer carries springs which urge the cups away from each other. When a thrust load is applied to the shaft, one of the single row bearings will take that load, the particular bearing being dependent on the direction in which the load is applied. The cup for whichever bearing takes the thrust load bears against the spacer, and the rollers for that bearing have their large diameter end faces in contact with the cone thrust rib for a full 360.degree. so that all are oriented by the thrust rib. The rollers for the other bearing, that is the bearing that does not take the thrust load, are likewise oriented by the cone thrust rib of that bearing for a full 360.degree., since the springs in the spacer bear against the cup of that bearing, urging it away from the spacer so as to impose a light preload on the bearing.

REFERENCES:
patent: 2141136 (1938-12-01), Heck
patent: 3326613 (1967-06-01), Renker
patent: 3516717 (1970-06-01), Peterson
patent: 3845999 (1974-11-01), Zimmer et al.
patent: 3934957 (1976-01-01), Derner

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