Sealing device and in-wheel motor including the same

A sealing device comprising:

• a slinger having an annular shape and coupled to a rotatable rotor;
• a seal, coupled to a stator fixed with respect to the rotatable rotor and comprising at least two lips brought into contact with the slinger;
• and
• a dust cover detachably coupled to the stator and disposed at outer sides of the seal and the slinger in an axial direction of the rotatable rotor.

A sealing device comprising:

• a slinger having an annular shape and coupled to a rotatable rotor;
• a seal, coupled to a stator fixed with respect to the rotatable rotor and comprising one or more lips brought into contact with the slinger;
• and
• a dust cover disposed at outer sides of the seal and the slinger in an axial direction of the rotatable rotor, wherein the dust cover comprises a passage configured to communicate with an inner portion of the dust cover.