Roller guide comprising at least one guide rail, which has at least one first and one second planar region, and comprising a first and a second roller, which are each in contact with the guide rail and roll thereon, wherein the first and the second roller are mounted so that they are rotatable about a common axis of rotation and are formed rotationally-symmetrically about the axis of rotation and a radius of the first roller is smaller than a radius of the second roller, the first roller has a first circular-segment-shaped surface rolling region and the second roller has a second circular-segment-shaped surface rolling region and a centre point of the first surface rolling region and a centre point of the second surface rolling region are arranged on the axis of rotation.