The invention provides a roller end necking structure of a roller conveyor, relating to the technical field of roller structure of the roller conveyor. The end faces of steel tubes are not exposed, are beautiful and can not scratch people and the conveyed objects. After being installed, the bearings are not easy to fall off and have good stability. The technical scheme is as follows: the structure comprises roller steel tubes, a shaft and bearings, wherein the shaft is installed on the roller steel tubes by the bearings; and the bearings are installed at the ends of the roller steel tubes. The invention is characterized in that the roller steel tubes neck at the ends; the ends of the roller steel tubes are of inward arc revolving bending structure; the arc revolving bending structure comprises internal arc surfaces and external arc surfaces; the internal arc surfaces tightly press the external circular surfaces of the bearings; and the external arc surfaces are exposed.