Rotor with plastic hub

An actuator for a motor vehicle, the actuator comprising:

• an electrically commutated electric motor that includes a rotor having:
• a hub, formed of a plastic material, having a bore and a resilient hub finger;
• a magnetic ring rotationally connected to the hub;
• and
• a fixed axle arranged in the bore for receipt of a radial force applied by the resilient hub finger to facilitate rotation of the hub about the fixed axle,
• wherein:
• a bearing shell at least partially axially covers the resilient hub finger,
• the bearing shell is formed with substantially a same radial spacing with respect to a center of the fixed axle as the resilient hub finger so that the resilient hub finger and the bearing shell form circle segments of a same circle, and
• the radial spacing of the resilient hub finger from the center of the bore of the hub is slightly less than the radial spacing of the bearing shell from the centre of the bore so that the resilient hub finger is pretensioned against the axle.

A rotor for an electric motor, the rotor comprising:

• a hub, formed of a plastic material, having a bore and a resilient hub finger that forms a boundary of the bore and terminates an axial end region of the hub;
• a magnetic ring rotationally connected to the hub;
• and
• a fixed axle arranged in the bore for receipt of a radial force applied by the resilient hub finger to facilitate rotation of the hub about the fixed axle,
• wherein:
• a portion of the hub is in the form of a bearing shell that at least partially axially covers the resilient hub finger, and
• the bearing shell is formed with substantially a same radial spacing with respect to a center of the fixed axle as the resilient hub finger so that the resilient hub finger and the bearing shell form circle segments of a same circle.