| 摘要 |
PROBLEM TO BE SOLVED: To provide a sealing device which can extend life, achieves minimum costs, and provides satisfied performance.SOLUTION: A sealing device 10b is provided between an outer ring holder 5b and a part 50 of an inner ring which rotate relative to each other. The sealing device 10b has: a core grid 11 attached to the outer ring holder 5b; and a seal member 20 which may contact with an outer peripheral surface 51 of the part 50 of the inner ring. The seal member 20 has: a first seal part 21 including a lip tip part 35, which contacts with the outer peripheral surface 51, and made of FKM; a second seal part 22 including a fixing part 34, which is fixed to the core grid 11, and made of NBR; and an intermediate part 23 which is disposed between the first seal part 21 and the second seal part 22 and made of rubber formed by mixing FKM with NBR.SELECTED DRAWING: Figure 2 |
