| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a bearing device for a turbosupercharger, suppressing damage while reducing vibration of a rolling bearing. Ž<P>SOLUTION: This bearing device 5 for the turbosupercharger 1 includes a pair of rolling bearings 6 rotatably supporting a rotating shaft 4 connecting a compressor 3 and a turbine 2 and also having a plurality of balls 9. The turbine-side bearing 6a of the pair of rolling bearings 6, positioned on the side of the turbine 2, is configured to have the larger number of balls 9 than the number of balls 9 provided to the compressor-side bearing 6b of the pair of rolling bearings 6, positioned on the side of the compressor 3. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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