Fitting arrangement , in particular corner bearing, for a door or window arrangement having a frame and a sash that is pivotable relative to the frame , wherein the fitting arrangement comprises: - a fastening element , in particular corner bearing bracket, for fastening to the frame , - a main lever pivotably mounted on the fastening element , in particular for at least partially supporting the weight of the sash , wherein the main lever is designed to be pivotable about a stationary main lever pivot axis on the fastening element , and - a control lever pivotably mounted on the fastening element , wherein the control lever is designed to be pivotable about a stationary control lever pivot axis on the fastening element and is designed to pivot the main lever , wherein the fitting arrangement comprises a corner hinge for fastening to the sash , wherein the corner hinge is pivotably mounted at or on the main lever by means of a main lever bolt , wherein a drive bolt is arranged on the control lever , wherein the drive bolt movably extends at least partially within a guide arranged in the corner hinge , characterized in that the control lever comprises a drive portion for driving the main lever and the main lever comprises an output element which is fixedly arranged on the main lever and, in the direction of gravity , below the main lever , wherein the drive portion and the output element are arranged between the main lever and the fastening element and are in engagement with one another, in particular during the pivoting of the main lever and/or the control lever . - a fastening element , in particular corner bearing bracket, for fastening to the frame , - a main lever pivotably mounted on the fastening element , in particular for at least partially supporting the weight of the sash , wherein the main lever is designed to be pivotable about a stationary main lever pivot axis on the fastening element , and - a control lever pivotably mounted on the fastening element , wherein the control lever is designed to be pivotable about a stationary control lever pivot axis on the fastening element and is designed to pivot the main lever , - a control lever pivotably mounted on the fastening element , wherein the control lever is designed to be pivotable about a stationary control lever pivot axis on the fastening element and is designed to pivot the main lever , wherein the fitting arrangement comprises a corner hinge for fastening to the sash , wherein the corner hinge is pivotably mounted at or on the main lever by means of a main lever bolt , wherein a drive bolt is arranged on the control lever , wherein the drive bolt movably extends at least partially within a guide arranged in the corner hinge , characterized in that the control lever comprises a drive portion for driving the main lever and the main lever comprises an output element which is fixedly arranged on the main lever and, in the direction of gravity , below the main lever , wherein the drive portion and the output element are arranged between the main lever and the fastening element and are in engagement with one another, in particular during the pivoting of the main lever and/or the control lever . <EOS>