| 摘要 |
PROBLEM TO BE SOLVED: To provide a seal device superior in both of a performance for suppressing intrusion of foreign matters into a bearing, and a performance for suppressing leakage of a lubricant to the external and reducing seal torque.SOLUTION: An elastic member 41 has a base portion 50 fixed to an annular core metal member 40, a first axial lip 51 extended to an axial one side of the core metal member 40 from the base portion 50 and a radial outer side of the core metal member 40, a second axial lip 52 positioned at a radial inner side with respect to the first axial lip 51, and extended to an axial one side and a radial inner side, and a third axial lip 53 positioned at a radial inner side with respect to the second axial lip 52, and extended to an axial one side and a radial outer side. Sealing is performed by sliding three axial lips 51, 52, 53 on a sliding face of which the axial direction is approximately in a normal direction. |
