Four-row tapered roller bearings - SKFFour-row tapered roller bearings can accommodate combined (radial and axial) loads at low to moderate speeds. They are used almost exclusively in work roll TQO Four-Row Bearings | The Timken CompanyTQO bearings are directly mounted and comprised of two double inner races, two single and one double outer race, with an inner race spacer and two outer race 
Four-Row Tapered Roller Bearings - SchaefflerThe bearing set consists of: 2 single-row cups, 1 double-row cup, 2 outer spacers, 2 cones with roller-cage assemblies, 1 inner spacer and with sealed bearings Four-row tapered roller bearingsC.R. four-row tapered roller bearings are used on the neck of the cylinders, on steel mills in which the speed of milling is moderate. Their construction shape