Rotary union for arrangement on a handling unit between an actuator and a rotary drive, comprising a base part and a rotary part which can be rotated relative to the base part about an axis of rotation, the rotary part having an actuator flange, a drive flange and a shaft portion arranged between the actuator flange and the drive flange, comprising media connections on the base part and media connections on the rotary part, comprising media lines (32, 38) provided between the media connections (28, 30), and comprising rotary bearings (40, 42) provided between the base part and the rotary part, an actuator rotary bearing being arranged on the actuator flange in such a way that forces acting on the actuator flange in the axial and radial directions are introduced into the base part via the actuator rotary bearing, a drive rotary bearing being arranged on the drive flange in such a way that the forces introduced into the base part by the actuator flange are conducted into the drive flange via the drive rotary bearing, the actuator rotary bearing and the drive rotary bearing having the same radial distance A to the axis of rotation, sealing rings that rest against the shaft portion being provided for sealing adjacent media lines (32, 38), characterized in that the radial distance A of the rotary bearings (40, 42) to the axis of rotation is greater than the radial distance D of the sealing rings to the axis of rotation, and the following applying for the ratio of the radial distance A of the rotary bearings (40, 42) to the axis of rotation to the radial distance D of the sealing rings to the axis of rotation: A/D = 4/1 to 2/1 and in particular A/D = 2.5/1 to 3/1. comprising a base part and a rotary part which can be rotated relative to the base part about an axis of rotation, the rotary part having an actuator flange, a drive flange and a shaft portion arranged between the actuator flange and the drive flange, comprising media connections on the base part and media connections on the rotary part, comprising media lines (32, 38) provided between the media connections (28, 30), and comprising rotary bearings (40, 42) provided between the base part and the rotary part, an actuator rotary bearing being arranged on the actuator flange in such a way that forces acting on the actuator flange in the axial and radial directions are introduced into the base part via the actuator rotary bearing, a drive rotary bearing being arranged on the drive flange in such a way that the forces introduced into the base part by the actuator flange are conducted into the drive flange via the drive rotary bearing, the actuator rotary bearing and the drive rotary bearing having the same radial distance A to the axis of rotation, sealing rings that rest against the shaft portion being provided for sealing adjacent media lines (32, 38), characterized in that the radial distance A of the rotary bearings (40, 42) to the axis of rotation is greater than the radial distance D of the sealing rings to the axis of rotation, and the following applying for the ratio of the radial distance A of the rotary bearings (40, 42) to the axis of rotation to the radial distance D of the sealing rings to the axis of rotation: A/D = 4/1 to 2/1 and in particular A/D = 2.5/1 to 3/1.