| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an inexpensive rolling bearing device improved in wear characteristics of a bearing. <P>SOLUTION: This rolling bearing device 30 for supporting a turning scroll member 1 to which a radial load and a thrust load are simultaneously applied includes a cylindrical rolling bearing 31 receiving the radial load and an angular ball bearing 32 arranged adjacently to the cylindrical rolling bearing 31 and receiving the thrust load. A first inner ring raceway surface 35a on which the cylindrical roller 31 of the cylindrical rolling bearing 31 rolls and a second inner ring raceway surface 35b on which the ball 42 of the angular ball bearing 32 rolls are formed on the peripheral surface of a single inner ring 35. <P>COPYRIGHT: (C)2009,JPO&INPIT |
