The paper presents analytical approach based on experimental results of investigation into single and double acting passive axial magnetic bearings which contain permanent magnets made of ferrite, strontium ferrite, and the NdFeB compound. In such a bearing the axial force applied from outside will impose a load to the one of the bearing, at the same time unloading the second one. In such a bearing the change of the load will cause the establishment of the other new state of equilibrium. It is the self - acting fitting to the load operating on the rotor.
