| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent falling-off of a filter from a seal ring. <P>SOLUTION: In the rolling bearing with a filter, a rolling element 13 is incorporated between an outer bearing ring 11 and an inner bearing ring 12, a seal ring 20 covers the opening of at least one end of the bearing space, and a filter 23 covering an oil hole 22 formed in the seal ring 20 captures foreign matter included in lubrication oil. The seal ring 20 is formed by insert molding using a core material 30 made of metal and a seal member 40 made of resin or rubber. The core material 30 is provided with an engagement part 31 that fits in the inner bearing ring 12, and a wall part 32 that extends toward the outer bearing ring 11 from the engagement part 31. The seal member 40 is provided with a lip part 41 that is in contact with the outer bearing ring 11. The oil hole 22 includes a through-hole 34 provided in the wall part 32, and a reservoir hole 44 provided in the seal member 40 so as to communicate with the through-hole 34. <P>COPYRIGHT: (C)2013,JPO&INPIT |
