| 摘要 |
A bearing structure S is provided with: a ball bearing 7 disposed within a bearing hole 2b, which is formed within the housing (bearing housing 2) of a supercharger C, and having an outer ring 7a having a damper section 25 formed on the outer peripheral surface of the outer ring 7a; a facing member (outer-diameter-side spacer 24) affixed to the housing and facing the outer ring in the axial direction of a shaft; a protrusion section 26 formed on one of the outer ring and the facing member and protruding toward the other; and a restriction section (inner wall 27a) formed on the other of the outer ring and the facing member and facing the protrusion section in the rotational direction of the shaft. |
