A fan motor, comprising: a housing disposed in an up-down direction; a rotation shaft rotatably installed across an inner center of the housing; an impeller rotatably installed at an upper side of the rotation shaft; a rotor installed on the rotation shaft to be spaced apart from the impeller in an axial direction, and a stator installed to surround the rotor with an air gap with the rotor in an inner side of the housing; a first bearing installed at an upper end of the rotation shaft, and a second bearing installed at a lower end of the rotation shaft to rotatably support the rotation shaft; and a first bearing housing accommodating and supporting the first bearing, fixedly installed inside the housing, installed at a downstream side of the impeller with respect to a flow of air generated by the impeller, and configured for guiding a flow of air introduced into the housing, wherein the first bearing, the impeller, the rotor and the stator, and the second bearing are sequentially installed on the rotation shaft, wherein air introduced from a lower portion of the housing by an operation of the impeller passes through the stator and the rotor to move toward the first bearing housing, wherein the first bearing housing comprises: an outer body formed in a cylindrical shape; an inner body formed in a cylindrical shape and disposed inside the outer body; and a plurality of plates extending to connect between an outer side surface of the inner body and an inner side surface of the outer body, each of the plates is configured to guide a flow of air passing through the impeller to move outside, wherein an upper surface of the inner body is provided with a vane mounting portion formed in a flat shape with a predetermined area; and wherein a lower surface of the inner body is provided with a bearing supporting portion protruding downwardly so that the first bearing is mounted thereon; characterized in that a surface of the inner body and a surface of the outer body facing each other are inclined so that air can flow smoothly along the inclined surfaces. a housing disposed in an up-down direction; a rotation shaft rotatably installed across an inner center of the housing; an impeller rotatably installed at an upper side of the rotation shaft; a rotor installed on the rotation shaft to be spaced apart from the impeller in an axial direction, and a stator installed to surround the rotor with an air gap with the rotor in an inner side of the housing; a first bearing installed at an upper end of the rotation shaft, and a second bearing installed at a lower end of the rotation shaft to rotatably support the rotation shaft; and a first bearing housing accommodating and supporting the first bearing, fixedly installed inside the housing, installed at a downstream side of the impeller with respect to a flow of air generated by the impeller, and configured for guiding a flow of air introduced into the housing, wherein the first bearing, the impeller, the rotor and the stator, and the second bearing are sequentially installed on the rotation shaft, wherein air introduced from a lower portion of the housing by an operation of the impeller passes through the stator and the rotor to move toward the first bearing housing, wherein the first bearing housing comprises: an outer body formed in a cylindrical shape; an inner body formed in a cylindrical shape and disposed inside the outer body; and a plurality of plates extending to connect between an outer side surface of the inner body and an inner side surface of the outer body, each of the plates is configured to guide a flow of air passing through the impeller to move outside, wherein an upper surface of the inner body is provided with a vane mounting portion formed in a flat shape with a predetermined area; and wherein a lower surface of the inner body is provided with a bearing supporting portion protruding downwardly so that the first bearing is mounted thereon; characterized in that a surface of the inner body and a surface of the outer body facing each other are inclined so that air can flow smoothly along the inclined surfaces. an outer body formed in a cylindrical shape; an inner body formed in a cylindrical shape and disposed inside the outer body; and a plurality of plates extending to connect between an outer side surface of the inner body and an inner side surface of the outer body, each of the plates is configured to guide a flow of air passing through the impeller to move outside, wherein an upper surface of the inner body is provided with a vane mounting portion formed in a flat shape with a predetermined area; and wherein a lower surface of the inner body is provided with a bearing supporting portion protruding downwardly so that the first bearing is mounted thereon; characterized in that a surface of the inner body and a surface of the outer body facing each other are inclined so that air can flow smoothly along the inclined surfaces.