Shaft journal bearing having improved seal wear ring

Details Shaft journal bearing having improved seal wear ring Shaft journal bearing having improved seal wear ring

1995-06-06

1996-08-27

Footland, Lenard A.

Bearings

Rotary bearing

Antifriction bearing

384484, 384582, F16C 3378

Patent

active

055493955

ABSTRACT:
A bearing assembly employs an improved seal wear ring comprising a rigid metal sleeve having an internal diameter greater than that of the shaft to provide a clearance therebetween along the full length of the wear ring. An annular spacer ring of a dense, dimensionally stable synthetic resin material such as polyvinylchloride is fitted within an annular recess on the inner surface of the metallic sleeve, with the spacer ring having an internal diameter slightly less than the external diameter of the shaft to provide an interference fit therebetween when the bearing assembly is pressed onto the shaft.

REFERENCES:
patent: 3494682 (1970-02-01), Keller
patent: 4820062 (1989-04-01), Shirane
patent: 5017025 (1991-05-01), Otto
patent: 5024449 (1991-06-01), Otto

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