Screen wheel filter device for the highpressure filtration of a plastic melt, at least comprising a housing which comprises at least: - an inlet plate with at least one inlet channel, - an outlet plate with at least one outlet channel; - at least one spacer (15, 16, 17) disposed between the inlet plate and the outlet plate, and a bearing ring on which a screen wheel disposed between the inlet plate and the outlet plate is rotatably mounted; - a central tensioning bolt (19.1) which is guided through the bearing ring and by way of which the inlet plate is braced in relation to the outlet plate, including the bearing ring inserted therebetween, wherein: - the screen wheel has a plurality of screen points (22.1... 22.13) which are in each case able to be positioned between the inlet and the outlet channel (13, 14) and passed through by a flow, - a flow region is formed between the respective mouth (13.1, 14.1) of the inlet channel and of the outlet channel facing the screen wheel, - the surfaces of all screen points (22.1... 22.13) which at least partially overlap the flow region, when projected onto the inlet and the outlet plate (11, 12), conjointly form an active pressure area, - a lubrication gap is in each case formed between a sealing surface (23, 24, 25) of the screen wheel and an inner surface of the inlet plate as well as an inner surface of the outlet plate, characterized in that - in that the cross-sectional area A2 of the bearing ring is at least 9 times the cross-sectional area A1 of the central tensioning bolt (19.1); - in that the cross-sectional area A1 of the central tensioning bolt (19.1) is 0.1 to 0.4 times the area A3 of the active pressure area. at least comprising a housing which comprises at least: - an inlet plate with at least one inlet channel, - an outlet plate with at least one outlet channel; - at least one spacer (15, 16, 17) disposed between the inlet plate and the outlet plate, and a bearing ring on which a screen wheel disposed between the inlet plate and the outlet plate is rotatably mounted; - a central tensioning bolt (19.1) which is guided through the bearing ring and by way of which the inlet plate is braced in relation to the outlet plate, including the bearing ring inserted therebetween, - an inlet plate with at least one inlet channel, - an outlet plate with at least one outlet channel; - at least one spacer (15, 16, 17) disposed between the inlet plate and the outlet plate, and a bearing ring on which a screen wheel disposed between the inlet plate and the outlet plate is rotatably mounted; - a central tensioning bolt (19.1) which is guided through the bearing ring and by way of which the inlet plate is braced in relation to the outlet plate, including the bearing ring inserted therebetween, wherein: - the screen wheel has a plurality of screen points (22.1... 22.13) which are in each case able to be positioned between the inlet and the outlet channel (13, 14) and passed through by a flow, - a flow region is formed between the respective mouth (13.1, 14.1) of the inlet channel and of the outlet channel facing the screen wheel, - the surfaces of all screen points (22.1... 22.13) which at least partially overlap the flow region, when projected onto the inlet and the outlet plate (11, 12), conjointly form an active pressure area, - a lubrication gap is in each case formed between a sealing surface (23, 24, 25) of the screen wheel and an inner surface of the inlet plate as well as an inner surface of the outlet plate, - the screen wheel has a plurality of screen points (22.1... 22.13) which are in each case able to be positioned between the inlet and the outlet channel (13, 14) and passed through by a flow, - a flow region is formed between the respective mouth (13.1, 14.1) of the inlet channel and of the outlet channel facing the screen wheel, - the surfaces of all screen points (22.1... 22.13) which at least partially overlap the flow region, when projected onto the inlet and the outlet plate (11, 12), conjointly form an active pressure area, - a lubrication gap is in each case formed between a sealing surface (23, 24, 25) of the screen wheel and an inner surface of the inlet plate as well as an inner surface of the outlet plate, characterized in that - in that the cross-sectional area A2 of the bearing ring is at least 9 times the cross-sectional area A1 of the central tensioning bolt (19.1); - in that the cross-sectional area A1 of the central tensioning bolt (19.1) is 0.1 to 0.4 times the area A3 of the active pressure area. - in that the cross-sectional area A2 of the bearing ring is at least 9 times the cross-sectional area A1 of the central tensioning bolt (19.1); - in that the cross-sectional area A1 of the central tensioning bolt (19.1) is 0.1 to 0.4 times the area A3 of the active pressure area.