A four-row tapered roller bearing inner ring and roll neck with band gap generally, the first bearing into the bearing housing during installation, then put into the journal bearing housing.
Two, four-row tapered roller bearing outer ring and bearing sleeve bearing
housing bore also uses dynamic fit, the first sealed angular contact ball bearing outer ring A load bearing box. Factory in the outer ring, the inner ring and the inner and outer spacer are printed with the word {HotTag} character symbols, characters must be arranged in the order of symbols turn into the bearing housing during installation. Can not be arbitrarily interchanged to prevent changing the bearing clearance.
Third, after all the parts are loaded into the bearing housing, the inner ring and the cage, outer ring and the outer spacer axial try.
Fourth, the outer end surface of the measurement gap width between the cover plate and the bearing, in order to determine the thickness of the respective gasket.