1.Good material,High precision,long life 2.Quick delivery,good service ... and axial loads.As the taper roller bearings axial load can only pass one way ,so as to ... pass in the opposite direction of the axial load on the need to install another with symmetrical ... ,mining,metallurgy,plastics machinery etc. other models: high precision inch series bearing auto bearing tapered roller bearingHM81649-HM81610