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 (19, 23) of the rotor on which the axial plain bearing segments (17, 21) are supported defines a bearing length I of the bearing arrangement, wherein the radial sliding surfaces (27, 30) of the rotor on which the radial plain bearing segments (25, 28) 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 (19, 23) of the rotor and the bearing diameter d of the radial sliding surfaces (27, 30) 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 (17, 21). 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 (19, 23) of the rotor on which the axial plain bearing segments (17, 21) are supported defines a bearing length I of the bearing arrangement, wherein the radial sliding surfaces (27, 30) of the rotor on which the radial plain bearing segments (25, 28) 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 (19, 23) of the rotor and the bearing diameter d of the radial sliding surfaces (27, 30) 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 (17, 21).