<p>The bearing (3) has a control guide connecting a leaf-sided fitting unit (5) and a frame-sided fitting unit (4) with a horizontal tilting axle (25). A bearing bolt (17) is fixed on a base part (11), where a sliding sheet (18) of a supporting part (12) is supported with an end of the base part turned away from the axle. The supporting part has a flange for connection with a leaf of a window and a French door. The base part is connected with the guide and a supporting guide. The supporting part has a closed housing (22) in which supporting elements (23) and a sliding plate (19) are arranged.</p>
