| 摘要 |
<p>A bearing device, comprising a shaft body having an axial cylindrical part at the free end side thereof and rolling bearings fitted onto the outer peripheral surface of the shaft body, wherein the cylindrical part is bucklingly deformed in radial outer direction by a rolling caulking to be caulked to the outer end faces of the inner rings incorporated in the rolling bearings, and the roughness of the inner peripheral surface is set to 12.5 νm or below by 10-point average roughness (Rz).</p> |
