A two-degree of freedom actuator, for example for a two-bladed rotor of an aircraft, said actuator comprising: - a motor adapted to drive a primary shaft around a primary axis, - a secondary shaft oriented along a secondary axis perpendicular to said primary axis, - an axially wound air-cored coil which is fixed on a mechanical support, - wherein said secondary shaft is pivotally coupled to said primary shaft by means of a first mechanical part and a second mechanical part wherein the second mechanical part is fixed to the primary shaft and the first mechanical part is fixed to said secondary shaft and arranged so as to tilt relatively to said second mechanical part, and - the actuator further comprising a magnet, said magnet being attached to said first mechanical part so that said first mechanical part and said magnet can rotate about said primary axis and tilt about said secondary axis, wherein said magnet rotates in said axially wounded air-cored coil, - characterized in that - bearings are arranged between said second shaft and said second mechanical part, - the magnet has a cylindrical wall facing an inner surface of said axially wound air-cored coil and is diametrically magnetized, the position of the secondary rotating parts about the secondary axis being set by the magnetic field of the coil. - a motor adapted to drive a primary shaft around a primary axis, - a secondary shaft oriented along a secondary axis perpendicular to said primary axis, - an axially wound air-cored coil which is fixed on a mechanical support, - wherein said secondary shaft is pivotally coupled to said primary shaft by means of a first mechanical part and a second mechanical part wherein the second mechanical part is fixed to the primary shaft and the first mechanical part is fixed to said secondary shaft and arranged so as to tilt relatively to said second mechanical part, and - the actuator further comprising a magnet, said magnet being attached to said first mechanical part so that said first mechanical part and said magnet can rotate about said primary axis and tilt about said secondary axis, wherein said magnet rotates in said axially wounded air-cored coil, - characterized in that - bearings are arranged between said second shaft and said second mechanical part, - the magnet has a cylindrical wall facing an inner surface of said axially wound air-cored coil and is diametrically magnetized, the position of the secondary rotating parts about the secondary axis being set by the magnetic field of the coil. - wherein said secondary shaft is pivotally coupled to said primary shaft by means of a first mechanical part and a second mechanical part wherein the second mechanical part is fixed to the primary shaft and the first mechanical part is fixed to said secondary shaft and arranged so as to tilt relatively to said second mechanical part, and - the actuator further comprising a magnet, said magnet being attached to said first mechanical part so that said first mechanical part and said magnet can rotate about said primary axis and tilt about said secondary axis, wherein said magnet rotates in said axially wounded air-cored coil, - characterized in that - bearings are arranged between said second shaft and said second mechanical part, - the magnet has a cylindrical wall facing an inner surface of said axially wound air-cored coil and is diametrically magnetized, the position of the secondary rotating parts about the secondary axis being set by the magnetic field of the coil.