NUKR curve curve roller wheel this series double row full complement cylindrical roller structure. Cylindrical roller bearings as having the same outer axial guidance by the rolling element is pressed into the outer wall of the housing and the high level composition effect sealing gap. This curve of the wheel can withstand extremely high load roller bearings HK5025, as well as due to the axial guiding roller can withstand the impact of axial load. RNA49 ... RS RNA49 ... 2RS single-sided or double-sided seal seal NA69 .. RS NA69..2RS single seal or double sealed double RNAO outer wall single or double row without an inner ring NAO no outer Ribs single or double row with an inner ring outer double-wall single RNAV NAV without inner ring outer double-wall single inner ring needle roller bearings HK5520 needle roller bearing HK5520, needle roller bearings, needle roller governance by the municipal and LINQing needle roller bearings plant availability. Linqing municipal and needle roller bearings plant (www.zhgzzc.com) (www.zhgzzc.net) strong, credible, in other industries, Liaocheng accumulated a large number of loyal customers. The company better work attitude and constantly improve governance and innovative ideas will lead the needle into the brilliant and you work for a better future!