The invention relates to a drive (100) for adjustment devices in motor vehicles, especially for a window lift. Said drive comprises a motor (5) and a toothed gearing (2) coupled with said motor (5), said toothed gearing being mounted in an at least two-piece housing (6a, 6b) and being driven by an internal gear (4). According to the invention, a bearing element (70, 71, 72) is configured on at least one housing part (6a; 6b) and bears the drive element (4).