With the four row tapered roller bearing inner ring and the roller neck band gap is usually, when you first install the bearing load bearing box, and then the bearing box into the shaft neck.
Four row tapered roller bearing outer ring and bearing housing hole is matched, the first outer ring A load bearing box. Factory spacers are printed with the word {HotTag}symbols in the outer ring, inner and outer, character symbols must be installed according to the arrangement of the order into the bearing box. Can not be any exchange, in order to prevent the bearing clearance change.
All the parts are loaded in the bearing box, will be separated within the inner ring, outer ring and the outer ring spacer axial close.