A filling assembly for being mounted to a clipping machine for producing sausage-shaped products comprising a filling tube for filling flowable material into a packaging casing that is arrangeable onto filling tube; a casing brake unit with a brake body for being detachably and relatively fixable arranged on filling tube in a braking position for providing a resistance to the packaging casing against uncontrolled sliding-off of the filling tube; and a mounting unit for mounting filling tube and casing brake unit to the clipping machine. Mounting unit comprises a bearing device for allowing a relative movement of filling tube and casing brake unit to the clipping machine, when mounting unit is mounted with filling tube and casing brake unit to the clipping machine, between at least a production position and an interchanging position.