| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent seal suction even if the pressure of a bearing interior changes while maintaining sealability of a seal member. <P>SOLUTION: In the bearing with a pulley equipped with a rolling bearing 2 interposing a plurality of rolling elements 6 between an inner ring 4 and an outer ring 5 and sealing axial both ends between the inner ring 4 and the outer ring 5 by annular seal members 8, 9, and a resin pulley 3 fixed to an outer peripheral surface of the outer ring 5 of the rolling bearing 2, one seal member 8 has a seal lip 14 contacting an inner side groove wall 15 of a seal groove 10 formed in the inner ring 4 or the outer ring 5, and the other seal member 9 has a seal lip 16 contacting an outer side groove wall 17 of the seal groove 10 formed in the inner ring 4 or the outer ring 5. <P>COPYRIGHT: (C)2011,JPO&INPIT |
