| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a hub seal capable of sufficiently sealing even in an environment with a severe dust condition and attachable in a conventional attachment space. <P>SOLUTION: The hub seal 1 is equipped with a first cylinder part 21 fitted to an inner ring, a flange part 22 extending from an end of the first cylinder part 21 in the radial direction, a slinger 2 composed of a second cylinder part 23 extending from an end of the flange part 22 in the axial direction, and a seal main body part 4 bonded to an annular member 3 having a cylinder part 31 fitted to its outer ring. A protrusion part 61 is formed on a peripheral face of a fixed sealing part 51 of the seal main body part 4 extending in the axial direction, and the protrusion part 61 is slidably put in close contact with the second cylinder part 23 or has an opposing minute space formed. <P>COPYRIGHT: (C)2007,JPO&INPIT |
