A rotor for a rotary electric machine is provided, the rotor including a pack of plates mounted on a shaft, the pack having a plurality of main plates mounted alternately with another plurality of spacer plates and the spacer plates having a base plate with a plurality of spacer profiles, the spacer plate having a crown region close to the shaft and a peripheral region with slots, wherein the plurality of spacer profiles includes at least one guiding spacer profile that has a first end portion arranged radially in relation to the shaft in the crown region of the spacer plate and a second end portion arranged radially in relation to the shaft in the peripheral region of the spacer plate, and the second end portion is offset angularly in relation to the first end portion.