A bearing arrangement of a rotor of a wind turbine, namely for supporting a shaft of the rotor in a stationary housing , the shaft of the rotor in particular via a hub being coupled with rotor blades of the rotor , with housing-side axial plain bearing segments facing the rotor blades or the hub , which engage the housing , are stationary together with the housing and are supported against a first axial sliding surface of the rotor , with housing-side axial plain bearing segments facing away from the rotor blades or the hub , which engage the housing , are stationary together with the housing and are supported against a second axial sliding surface of the rotor , with housing-side radial plain bearing segments facing the rotor blades or the hub , which engage the housing , are stationary together with the housing and are supported against a first radial sliding surface of the rotor , with housing-side radial plain bearing segments facing away from the rotor blades or the hub , which engage the housing , are stationary together with the housing and are supported against a second radial sliding surface of the rotor , wherein an axial distance between the axial sliding surfaces of the rotor on which the axial plain bearing segments are supported defines a bearing length I of the bearing arrangement , wherein the radial sliding surfaces of the rotor on which the radial plain bearing segments are supported define a bearing diameter d of the bearing arrangement , wherein for a ratio V=l/d between the bearing length I between the axial sliding surfaces of the rotor and the bearing diameter d of the radial sliding surfaces of the rotor the following applies: V≤1, characterized in that at least one manhole is introduced into the shaft approximately in the axial center of the bearing arrangement between the axial plain bearing segments . with housing-side axial plain bearing segments facing the rotor blades or the hub , which engage the housing , are stationary together with the housing and are supported against a first axial sliding surface of the rotor , with housing-side axial plain bearing segments facing away from the rotor blades or the hub , which engage the housing , are stationary together with the housing and are supported against a second axial sliding surface of the rotor , with housing-side radial plain bearing segments facing the rotor blades or the hub , which engage the housing , are stationary together with the housing and are supported against a first radial sliding surface of the rotor , with housing-side radial plain bearing segments facing away from the rotor blades or the hub , which engage the housing , are stationary together with the housing and are supported against a second radial sliding surface of the rotor , wherein an axial distance between the axial sliding surfaces of the rotor on which the axial plain bearing segments are supported defines a bearing length I of the bearing arrangement , wherein the radial sliding surfaces of the rotor on which the radial plain bearing segments are supported define a bearing diameter d of the bearing arrangement , wherein for a ratio V=l/d between the bearing length I between the axial sliding surfaces of the rotor and the bearing diameter d of the radial sliding surfaces of the rotor the following applies: V≤1, characterized in that at least one manhole is introduced into the shaft approximately in the axial center of the bearing arrangement between the axial plain bearing segments . <EOS>