The Mars Rover is a six-wheel robot, which has been assembled with of more than 2.000 parts. It needs to move in very different environments with extremely varying substrates; it is remote-controlled and can work for more than two hours in a distance of 1.5km from the control centre. Bearings from the iglidur series W300 have been installed. The crucial parameters: Low weight, reliability and maintenance-free operation. The quality of the system was considerably increased with products from igus®. A controlled motion resistance helps to reduce vibrations during the drive and the weight was in addition reduced about 80%.