The Timken Company

Thomas L Baker

Xiaolan Ai

Stephen P Johnson

Mark E Baker

Nigel A Los

Jesse R Yorty

A double row thrust bearing assembly () includes a bottom plate () having inner and outer conical raceways (), a top plate () with a flat raceway (), and respective sets of identically formed inner and outer rollers () mounted on respective inner and outer cages (). When the bearing is fully assembled, the apices of the inner and outer rollers directed at the same point (A) on an axis (X) of the bearing. Various relationships with respect to the size and shapes of the rollers are determined in order to maximize the bearing assembly's load carrying capacity while occupying the same spatial envelope as that of a single row thrust bearing assembly (BA) which can only support a lesser load.

Double row tapered roller thrust bearing for improved loading capacity

A method for assembling a set of bearing assembliesonto a mill rolland for establishing a required bearing setting. The mill rollis configured to receive a set of bearing assembliesat each axial end, with the bearing rolling elementsA contained within supporting chocksadapted for placement within a mill housing. The chock assemblyR and bearing assemblyat a first end of the roll are positioned first, and coupled to the first end an axial center rodpassing through an axial boreof the roll. The chock assemblyL and bearing assemblyat the second end of the rollis then positioned onto the opposite end of the roll, and a connecting sub-assemblyA is secured to the second end of the axial center rod. The connecting sub-assembly engages the second chock assemblyL and bearing assembly, and is adjusted to achieve a desired bearing setting for both bearing assembliesthrough the center rod

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North Canton, OH, United States of America

Thomas L Baker