thrust ball bearings

this type of bearing is separable,which can only carry axial load,the single direction bearings of them can only carry axial load in one dirction,while the double carry alternating axial load in either direction,before using they have to be preload,the thrust ball bearings are used in lathe centers,automobile clutches,reducers and so on ,the double direction angular contact thrust ball bearings are suitable for machine tool ,spindles,while the single are used to support ball screws,email:amy@gp