Koyo Seiko Company, Ltd.

Aisin Seiki Kabushiki Kaisha

Yukitoshi Murakami

Yoshitaka Nakagawa

Naoki Minamoto

Hirofumi Dodoro

Atsushi Chiba

Minoru Kinbara

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.

Sealing device for rolling bearing

A joint structure of an annular member and a shaft member softer than the former is produced by

Joint structure of annular member and shaft member

Growing community of inventors

Kashiwara, Japan

Yukitoshi Murakami