Rotor and rotating electric machine having the same

A rotor for a rotating electric machine, comprising:

• a core body having a through-hole passing through the core body in a thickness direction, wherein the through-hole is one of a plurality of through-holes arranged in a circumferential direction of the core body;
• a magnet disposed on an outer wall of the core body, wherein the magnet is one of a plurality of magnets arranged in the circumferential direction of the core body;
• a tubular portion placed radially-outward of the core body such that an inner wall of the tubular portion contacts with the magnet;
• and
• a plate part sealing at least one end of the tubular portion in an axial direction of the core body and having an opening provided at a position corresponding to the through-hole, the opening passing through the plate part in a thickness direction.