Transmission-drive unit with a bearing assembly

摘要

The unit (1) has a drive wheel (4) designed as a worm wheel (5). The wheel is arranged on a shaft (30) supported in a casing tube (9), where the shaft is designed as a moving spindle (2). A bearing arrangement (10) supports axial and radial forces of the shaft/drive wheel at the casing tube. The arrangement has a radial bearing element (13) for receiving of radial forces. The bearing element has an axial slot, which extends over an entire wall thickness of the bearing element. An annular groove (38) is formed in a slot area (48), where a clamping element (36) is guided into the groove. The bearing arrangement comprises an axial bearing element (12) made of hardened metal. The slot area is designed in a conical manner and die-casted from plastic. The clamping element presses the slot area against a bearing surface (20) of the drive wheel.