Motor Housing and Motor Including Same

A motor comprising:

• a housing;
• a stator coupled to the housing;
• a rotor disposed inside the stator;
• a shaft coupled to the rotor;
• and
• wherein the housing protrudes upward from a lower surface thereof,
• wherein the housing comprises:
• a bearing pocket portion that includes an accommodation space for a bearing, and a shaft hole;
• and
• a bearing disposed in the accommodation space of the bearing pocket portion,
• wherein the accommodation space for the bearing is formed by an inner wall of the bearing pocket portion,
• wherein the shaft hole is formed in a bottom surface of the bearing pocket portion,
• wherein the shaft is disposed in the shaft hole,
• wherein the bearing pocket portion includes a stepped portion which protrudes upward along a circumference of the shaft hole and an accommodation groove that is formed between the stepped portion and the inner wall of the bearing pocket portion,
• wherein the bottom surface of the bearing pocket portion forming the accommodation groove is formed with at, least two stepped surfaces in a radial direction,
• wherein the stepped surfaces include an inner stepped surface closest to the shaft hole, and
• wherein the inner stepped surface is formed in a flat shape to be in contact with a wave washer.