| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a bearing having an easy traceability of a wheel bearing shipped from a factory. <P>SOLUTION: The bearing for wheels comprises an outer ring member 3, an inner ring member 5 arranged concentric, inside in radial direction, with the outer ring member 3, and a rolling element 6 provided between the outer ring member 3 and the inner ring member 5, with sealing parts 11 and 12 provided at both ends in axial direction of an annular space 10 formed with the outer ring member 3 and inner ring member 5. At least one of the sealing members 11 and 12 comprises a core metal 20 engaged with either the inner periphery of the outer ring member 3 or the outer periphery of the inner ring member 5, and a seal body 21 of elastic body which is bonded to the surface of core metal 20. An IC chip 22 is provided on the surface of core metal 20 to which the seal body 21 is bonded, and the IC chip 22 is covered with the seal body 21. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
