| 摘要 |
PROBLEM TO BE SOLVED: To provide a vehicular roller bearing device capable of preventing an attachment mistake from occurring, and of effectively suppressing generation of fretting friction as well. SOLUTION: This vehicular roller bearing device 1 is provided with a hub shaft 3 and a roller bearing (double row angular ball bearing) 4. The curved surface shape of an inside edge part R2 on the other side in the axial direction (inboard side) of the inner ring 41 of the roller bearing 4 is set smaller than that of an inside edge part R1 on one side in the axial direction (outer-board side) of the inner ring 41. COPYRIGHT: (C)2006,JPO&NCIPI
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