A motor (2,100) comprising: a stator; a rotor to co-operate with the stator in an electromagnetic manner such that the rotor rotates; and a motor shaft coupled to the rotor, to rotate along with the rotor, wherein the rotor comprises: a sleeve (330,530) having a shaft hole(332,532), through which the motor shaft extends, a plurality of rotor cores (340,540) spaced apart from one another in a circumferential direction of the rotor, and a plurality of permanent magnets (320,520) each disposed between adjacent ones of the rotor cores (340,540), first and second cover plates (390a,b) disposed at opposite sides of the permanent magnets in an axial direction, each of the first and second cover plates comprising a shaft receiving hole to receive the motor shaft, characterized by a plurality of support members (420,460) coupled to at least one of the first and second cover plates, each of the support members comprising a magnet support portion arranged to support an outer end (322,522) of a corresponding one of the permanent magnets in a radial direction of the rotor, wherein the first cover plate further comprises coupling holes arranged in the circumferential direction of the rotor; and each of the support members (420,460) further comprises a coupling protrusion which protrudes from the magnet support portion in the axial direction to fit in a corresponding one of the coupling holes. a stator; a rotor to co-operate with the stator in an electromagnetic manner such that the rotor rotates; and a motor shaft coupled to the rotor, to rotate along with the rotor, wherein the rotor comprises: a sleeve (330,530) having a shaft hole(332,532), through which the motor shaft extends, a plurality of rotor cores (340,540) spaced apart from one another in a circumferential direction of the rotor, and a plurality of permanent magnets (320,520) each disposed between adjacent ones of the rotor cores (340,540), first and second cover plates (390a,b) disposed at opposite sides of the permanent magnets in an axial direction, each of the first and second cover plates comprising a shaft receiving hole to receive the motor shaft, characterized by a plurality of support members (420,460) coupled to at least one of the first and second cover plates, each of the support members comprising a magnet support portion arranged to support an outer end (322,522) of a corresponding one of the permanent magnets in a radial direction of the rotor, wherein the first cover plate further comprises coupling holes arranged in the circumferential direction of the rotor; and each of the support members (420,460) further comprises a coupling protrusion which protrudes from the magnet support portion in the axial direction to fit in a corresponding one of the coupling holes. a sleeve (330,530) having a shaft hole(332,532), through which the motor shaft extends, a plurality of rotor cores (340,540) spaced apart from one another in a circumferential direction of the rotor, and a plurality of permanent magnets (320,520) each disposed between adjacent ones of the rotor cores (340,540), first and second cover plates (390a,b) disposed at opposite sides of the permanent magnets in an axial direction, each of the first and second cover plates comprising a shaft receiving hole to receive the motor shaft, characterized by a plurality of support members (420,460) coupled to at least one of the first and second cover plates, each of the support members comprising a magnet support portion arranged to support an outer end (322,522) of a corresponding one of the permanent magnets in a radial direction of the rotor, wherein the first cover plate further comprises coupling holes arranged in the circumferential direction of the rotor; and each of the support members (420,460) further comprises a coupling protrusion which protrudes from the magnet support portion in the axial direction to fit in a corresponding one of the coupling holes.