Sealing device for a rolling bearing

Details Sealing device for a rolling bearing Sealing device for a rolling bearing

1980-03-12

1985-03-19

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

384482, 384486, F16C 3376, F16C 3380

Patent

active

045054843

ABSTRACT:
In a sealing device for a rolling bearing wherein the clearance between an outer race and an inner race is sealed by a sealing plate fixed to the outer race side, the sealing plate has on its inner periphery an axially extending inner lip, a radially extending outer lip and an intermediate lip extending between said two lips and having the tip end thereof divided into two directions. The inner race has on its outer peripheral surface adjacent to the end thereof a concave seal groove having an inner shoulder and an outer shoulder having a diameter smaller than that of the inner shoulder. The inner lip of the sealing plate cooperates with the inner shoulder of the seal groove to form an inner sealing portion between the inner lip and the inner shoulder. The outer lip of the sealing plate cooperates with the outer shoulder of the seal groove to form an outer sealing portion between the outer lip and the outer shoulder. At least one of the bifurcated lips of the intermediate lip contacts the side wall of the seal groove to form an intermediate sealing portion.

REFERENCES:
patent: 3642335 (1972-02-01), Takahashi
patent: 4226428 (1980-10-01), Paptzun

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