| 摘要 |
PROBLEM TO BE SOLVED: To provide a bearing device having a durable sealing structure capable of keeping constant sealing performance for a long period of time. SOLUTION: The bearing device A provided with a sealing device 2 for which a static ring 12, a rotating ring 10, a plurality of rolling elements 18, a slinger 22, a core metal 24 and a seal 26 are combined, the slinger consists of a slinger fixing part 22a and a slinger disk part 22b continuing from the slinger and extending out at a predetermined angle. The core metal 24 consists of a core metal fixing part 24a fixed to the static ring and a core metal disk part 24b continuing from the core metal and extending out at a predetermined angle. The seal 26 is provided between the slinger and the core metal and has a plurality of lips 261 which are connected with one of the slinger and the core metal and slide in contact with the other one and a rotary ring. A step part 10d formed by cutting off a recessed shape part of a confronting surface 10a over the whole circumference to press fit and fix the slinger is provided. The slinger is fixed to the rotation ring by fitting the slinger fixing part in a circumferential surface part 10u of the step part and tightly adhering the slinger disk part to a side surface part 10v of the step part. COPYRIGHT: (C)2009,JPO&INPIT
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