HOLLOW SHAFT MOTOR

The hollow shaft motor according to the present invention comprises: a housing having a cylindrical shape; an upper cover coupled to an upper portion of the housing ; a lower cover coupled to a lower portion of the housing ; a stator assembly located in the housing ; and a rotor assembly located in the stator assembly to rotate, wherein the rotor assembly comprises a hollow shaft , a rotor core coupled to an outer circumference of the hollow shaft , and a plurality of magnets attached to an outer circumference of the rotor core , and the upper cover comprises a bus bar receiving part A in which a bus bar is installed.