If you smile at him, he smiles back. If you look grim, he looks grim too. This robot head can show emotions, mimicking the expressions of his human counterpart. This requires a precise sequence of movements of individual facial features. Therefore many moving elements are placed in the robot‘s head, which are essential for maintenance-free continuous operation that is especially low-maintenance and durable. The drive units for moving the facial features also have to be robust and long-lasting, with a minimal number of components. The key components used in the application are many small and low-backlash iglidur® plain bearings, arranged in close proximity.