The water wheel device (1) has a system chamber (6) firmly connected with the ground, where the system chamber comprises an energy conversion unit. A water wheel (7) is rotatably mounted around the system chamber. The system chamber is stopped during the operation of the water wheel. The energy conversion unit is coupled to the water wheel by a coupling device. A bearing device (11) is provided between the water wheel and the system chamber. The bearing device is executed as rolling or sliding bearings.
