Track roller bearing floating sleeve system

Details Track roller bearing floating sleeve system Track roller bearing floating sleeve system

1990-10-04

1991-10-15

Footland, Lenard A.

Bearings

Rotary bearing

Plain bearing

384276, 384298, 384901, F16C 3310

Patent

active

050569384

ABSTRACT:
A track roller bearing having a floating sleeve between the inner race and outer race. The floating sleeve has a self-lubricating bearing material on its outer surface. The coefficient of friction of the self-lubricating bearing material increases as the material is worn. When the self-lubricating bearing material coefficient of friction exceeds the coefficient of friction of the floating sleeve inner surface, the floating sleeve will rotate with the outer race until a new unworn surface of self-lubricating bearing material is presented to the load area of the outer race. This precessing of the floating sleeve will continue until the entire surface area of the self-lubricating bearing material is worn, thus extending the track roller bearing life.

REFERENCES:
patent: 2675283 (1954-04-01), Thomson
patent: 3056637 (1962-10-01), Shanley et al.
patent: 4358167 (1982-11-01), Magazian et al.
patent: 4428689 (1984-01-01), Choate
patent: 4717268 (1988-01-01), Orkin

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