Abstract: Ship with mooring structure, comprising a rotatable tube (15) which is connected to the ship (1) for rotation about a vertical axis which is concentric to the rotatable tube, by an axial/radial bearing structure (17) which can absorb axial and radial forces. The rotatable tube (15) has at its lower end structure (19) for fastening anchor chains or cables (21). The rotatable tube (15) is disposed inside the hull of the ship (1) within a fixed tube (3) through the lower end of which the rotatable tube (15) protrudes downwardly. An outer ring of the axial/radial bearing (17) is in integral assembly with a rigid ring (13) which is in turn fastened only to the lower end of the fixed tube (3). The fixed tube (3) encloses the rotatable tube (15) with clearance and is fastened to the hull of the ship only some distance away from and above the rigid ring (13) and is free from fixed securement to the ship below the rigid ring ( 13).

Abstract: Mooring means of a ship, comprising a tube rotatably supported at its top-end inside the ship (1) by means of an axial- or axial/radial bearing (8,9).The outer ring (8) of said bearing being fixed to a rigid ring (7), which does not follow deformations of the hull of the ship.

Abstract: Mooring system, comprising a mooring tower (3, 13, 22, 27), a ship (1) and a rigid arm (7, 15, 24, 31) between a horizontal pivot at the ship or the tower and a weight loaded tensionable connecting element (9, 29) suspended from the tower or the ship respectively, the system comprising a quick action coupling between the tower and the ship, as well as structure (12, 19, 20, 21, 26, 34) to control the behaviour of the disconnected arm.