Roller system

Roller system (10) to be installed at a base (12) of a domestic appliance, such as an oven, a dishwasher or the like, said roller system (10) comprising a housing (14) to be fixed at the base (12); a turning lever (16) pivotingly attached at its one free end to the housing (14); a roller (18) rotatably attached to the other free end of the turning lever (16); a tension arm (20) pivotingly attached to the turning lever (16), and a set screw (22) to be seated at the base (12) and being in thread engagement with a thread provided at the tension arm (20), wherein the roller system (10) is designed in such a manner that, when installed at the base (12) of a domestic appliance, the actuation of the set screw (22) leads to a pivoting of the turning lever (16) and thus to a height adjustment of the roller (18).