| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a rolling bearing device having low frictional loss and high durability and formed in a simple structure. <P>SOLUTION: This rolling bearing device comprises a roller bearing part 11 receiving a radial load and a thrust ball bearing part 12 receiving a thrust load. The roller bearing part 11 and the thrust ball bearing part 12 share an inner ring 13. The inner ring 13 is fixedly fitted onto a rotating shaft 7, comprises, on its outer peripheral surface, a raceway surface 13a for rollers of the roller bearing part 11 and, at its one side surface, a raceway groove 13b for balls 19 of the thrust ball baring part 12. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
