Sealing device for rolling bearing

Details Sealing device for rolling bearing Sealing device for rolling bearing

2005-11-22

2005-11-22

Peavey, Enoch (Department: 3676)

Seal for a joint or juncture

Seal between relatively movable parts

Circumferential contact seal for other than piston

C277S570000

Reexamination Certificate

active

06966558

ABSTRACT:
A sealing device for a rolling bearing includes: a seal mounting groove formed to a shoulder of a raceway groove of a fixed ring; a circumferential step formed to a shoulder of the raceway groove of the rotational ring; and an annular resilient sealing member fit into the seal mounting groove, a sealing lip of the sealing member being brought into contact with a lateral surface of the circumferential step. The sealing member includes a fluoro resin and 10-60 parts by weight of a filler based on 100 parts by weight of the fluoro resin, and the filler includes a first filler having a Mohs hardness of 6 or more and 8 or less in amount of 25%-75% by weight or less of the filler, and a second filler having a Mohs hardness of less than 6 as the remaining portion.

REFERENCES:
patent: 6334615 (2002-01-01), Uchiyama et al.
patent: 2002/0154838 (2002-10-01), Yabe et al.
patent: 2003/0127803 (2003-07-01), Yokoyama et al.
patent: 2003/0198417 (2003-10-01), Yamamoto et al.
patent: 10-26143 (1998-01-01), None
patent: 10-026143 (1998-01-01), None
patent: 2001-304280 (2001-10-01), None

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