Spherical roller thrust bearing and spherical roller bearing have the same raceway surface which is consistent with the center axis of the bearing point as the center of the sphere. The rollers is spherical shapeTherefore.it has the function of self-alioningless sensitive to concentricity and shaft flex. This type of bearing is mainly used in oil drillingmakingiron steel machineryhydraulic generator,vertical motor,propeller shaftship craneextrusion machine etc..