Bearing arrangements are subjected to particularly high radial loads
Not only particularly high radial forces but also high axial loads from one or both directions must be supported by the bearing position (semi-locating or locating bearing function)
Bearing arrangements must have very high rigidity
Axial displacements of the shaft relative to the housing must be compensated without constraint in the bearing (in the case of bearings with a non-locating or semi-locating bearing function)
Very high radial loads occur at lower speeds, i.e. the bearings do not need to achieve speeds as high as those of cylindrical roller bearings with cage space-saving designs are required despite very high load
The bearings should be separable for easier mounting (bearings with non-locating bearing function)