Tapered roller bearings can be separated, outer ring and components containing inner ring, roller and container can be installed separately, Amended contact line in the contact area between roller and race way can reduce stress concentration. Axial load from opposite direction is transfered by anther taper roller bearing installed symmetrically as taper roller bearing can just transfer axial load from on way.
Single row taper roller bearing is the mainly used type in taper roller bearing. In the front car wheel, small size of the double row taper roller bearings have been used recently. Four row taper roller bearings are applied in large type of cold, and hot rolling mills as well as other heavy machines.