A radial foil bearing , comprising: a bearing housing provided with an insertion hole ; a top foil accommodated in the insertion hole ; and a cover attached to an end surface of the bearing housing in an axial direction in which the insertion hole extends, wherein the top foil is rolled in a cylindrical shape in a state where two ends of the top foil intersect such that the two ends of the top foil are pulled out toward the bearing housing , and the cover faces, in the axial direction, at least either one of the two ends of the top foil , and an engagement member attached to the bearing housing and engaging with the top foil , wherein: the insertion hole is provided with a through groove extending from the end surface of the bearing housing in the axial direction; the two ends of the top foil are accommodated in the through groove ; and the cover covers at least part of an open end of the through groove formed on the end surface of the bearing housing ; and the engagement member is accommodated in the through groove , characterized in that : the engagement member has a chamfer facing a corner between a side surface and a bottom surface of the through groove . a bearing housing provided with an insertion hole ; a top foil accommodated in the insertion hole ; and a cover attached to an end surface of the bearing housing in an axial direction in which the insertion hole extends, wherein the top foil is rolled in a cylindrical shape in a state where two ends of the top foil intersect such that the two ends of the top foil are pulled out toward the bearing housing , and the cover faces, in the axial direction, at least either one of the two ends of the top foil , and an engagement member attached to the bearing housing and engaging with the top foil , wherein: the insertion hole is provided with a through groove extending from the end surface of the bearing housing in the axial direction; the two ends of the top foil are accommodated in the through groove ; and the cover covers at least part of an open end of the through groove formed on the end surface of the bearing housing ; and the engagement member is accommodated in the through groove , characterized in that : the engagement member has a chamfer facing a corner between a side surface and a bottom surface of the through groove . the two ends of the top foil , and an engagement member attached to the bearing housing and engaging with the top foil , wherein: the insertion hole is provided with a through groove extending from the end surface of the bearing housing in the axial direction; the two ends of the top foil are accommodated in the through groove ; and the cover covers at least part of an open end of the through groove formed on the end surface of the bearing housing ; and the engagement member is accommodated in the through groove , characterized in that : the engagement member has a chamfer facing a corner between a side surface and a bottom surface of the through groove . the insertion hole is provided with a through groove extending from the end surface of the bearing housing in the axial direction; the two ends of the top foil are accommodated in the through groove ; and the cover covers at least part of an open end of the through groove formed on the end surface of the bearing housing ; and the engagement member is accommodated in the through groove , characterized in that : the engagement member has a chamfer facing a corner between a side surface and a bottom surface of the through groove . <EOS>