Motor

A motor comprising:

• a rotor including a shaft extending in an axial direction of a central axis, and
• a rotor core having a shaft insertion hole into which the shaft is inserted;
• and
• a stator located radially outside the rotor core,
• wherein the motor further comprises a fan that is fixed to the shaft or the rotor core at a position axially outside the rotor core and rotates together with the rotor core,
• the rotor core has an air passage,
• the shaft has a shaft inner passage,
• the air passage includes a first rotor core opening opened to an axial end surface of the rotor core and a second rotor core opening opened to the shaft insertion hole, and
• the shaft inner passage includes a first shaft opening opened at a position on an axially outer side with respect to the fan and a second shaft opening opened at a position connected to the second rotor core opening, and the second rotor core opening and the second shaft opening are connected to each other, so that the shaft inner passage is connected to the air passage.