Patent ID: 8534926
Filing Date: 2013-09-17
Classification: F16C,F16D,F16J

Abstract:
1. A clutch release bearing comprising: an outer ring, an inner ring, a plurality of rolling elements rollably disposed between the outer ring and the inner ring, and a cage rotatably holding the rolling elements; wherein a radially inwardly-extending outer ring rib is formed at one side end portion of said outer ring, and also a bearing-outward side face of said outer ring rib is formed as a contact surface which a rotating member of a clutch mechanism is adapted to contact, and at a side axially opposite from the one side where said outer ring rib is formed, there is provided a seal member fixed to said outer ring, and a seal lip formed at a radially-inward distal end of said seal member is constructed to be disposed in sliding contact with an outer peripheral surface of said inner ring; and wherein an annular mating member integral with said inner ring is provided at a bearing-outward side of said seal member, and an axial lip which extends toward the outside of the bearing and extends radially outwardly of said mating member is formed at a bearing-outward side face of said seal member, and said axial lip is disposed in non-contact, close relation to said mating member to form a labyrinth, and a radially outwardly-open groove is formed in a joint portion of said axial lip joined to said seal member.