the fourrow tapered roller Truck Tyre bearing outer ring Truck Tyre also uses dynamic bearing boxes with holes the first outer ring A into Truck Tyre bearing box. Facty in the outer inner ring the inside outside the circle are printed every wd {HotTag} acter symbols the installation must be arranged by der of the acter symbols loaded Truck Tyre bearing box. Can not be any exchange in der to prevent Truck Tyre bearing clearance changes.all parts are loaded Truck Tyre bearing boxes will be separated from the inner ring inner ring outer ring the outer spacer Truck Tyre to try to be.measurement of outer face Truck Tyre der of the width of the gap between the cover plate to determine the thickness of the cresponding gasket.