... 4)Good servi Product Name:2011 manfacture single-row Cylindrical Roller Bearing single row cylindrical roller bearings, caged ,mainly ... roller bearings, with four or eight rows of rollers single row high-precision all-steel or hybrid cylindrical roller ... in metallurgy, mining, printing machines, rolling machines, welding arm and positioner, etcService policy:Quality assurance, timely shipment and ...