This type of bearings is separable, which can only carry axial load. The single direction bearings of them can only carry axial load in one direction, while the double can carry alternating axial load in either direction. Before using they have to...
A thrust bearing is a typical rotary rolling-element bearing. This bearings permits rotation between parts but are designed to support a predominant axial load. The varieties of thrust bearings are Thrust Ball Bearings, Cylindrical Thrust Roller...