A support system for a scanner comprises a frame and a drum. The drum is made of tempered steel and is mounted on the frame by a roller system. The roller system comprises rollers of hardened steel, or having roller surfaces of hardened steel, that allow the drum to rotate about a rotationally symmetrical axis of the drum. A radiation source and one or more detectors can be secured to the drum for a scanner. Because that the drum is made of tempered steel and the rollers have surfaces of hardened steel, the drum can rotate at a high speed without increasing vibrations, thus allowing examination times of the scanner to be short and preventing vibration-related background signals. Also, noise occurring during use of the scanner is reduced.
