Hinge bearing device for the pivotable mounting of a of a lid and/or a seat at a bowl of a toilet, in particular a public toilet in a moving vehicle, comprising a first bearing block with a first shaft receptacle and a first shaft body located in the first shaft receptacle for the rotatable mounting of the lid or the seat about a first pivot axis relative to the first bearing block, a second bearing block with a second shaft receptacle and a second shaft body located in the second shaft receptacle for the rotatable mounting of the lid or the seat about a second pivot axis relative to the second bearing block, wherein the first and the second shaft receptacle (111, 131) are of identical construction and the first shaft body is designed as a first rotation damper comprising a first shaft component, a second shaft component rotatable relative to the first shaft component and a first damping element generating a damping torque between the first and the second shaft component (112a, b), wherein the first bearing block and the second bearing block are in alignment with each other and coaxial with the first and/or the second pivot axis in the installed position, wherein the second bearing block in alignment with the first bearing block essentially is a second bearing block which is coaxially displaced parallel to the first and/or the second pivot axis, wherein the first shaft body comprises a locking recess and first bearing block comprises a locking device and/or the second shaft body comprises a locking recess and the second bearing block comprises a locking device, wherein the locking device preferably has a resilient locking element or a locking element with a spring element. a first bearing block with a first shaft receptacle and a first shaft body located in the first shaft receptacle for the rotatable mounting of the lid or the seat about a first pivot axis relative to the first bearing block, a second bearing block with a second shaft receptacle and a second shaft body located in the second shaft receptacle for the rotatable mounting of the lid or the seat about a second pivot axis relative to the second bearing block, wherein the first and the second shaft receptacle (111, 131) are of identical construction and the first shaft body is designed as a first rotation damper comprising a first shaft component, a second shaft component rotatable relative to the first shaft component and a first damping element generating a damping torque between the first and the second shaft component (112a, b), wherein the first bearing block and the second bearing block are in alignment with each other and coaxial with the first and/or the second pivot axis in the installed position, wherein the second bearing block in alignment with the first bearing block essentially is a second bearing block which is coaxially displaced parallel to the first and/or the second pivot axis, wherein the first shaft body comprises a locking recess and first bearing block comprises a locking device and/or the second shaft body comprises a locking recess and the second bearing block comprises a locking device, wherein the locking device preferably has a resilient locking element or a locking element with a spring element.