Physical ring needle roller bearing is composed of one or two rings and needle roller set with cage components. The main structural characteristics of the code structure type bearing NK NKS RNA49 RNA48 outer double-wall single row without an inner ring NKI NKIS NA49 NA48 outer double-wall single inner ring RNA69 outer double Edge double row without an inner ring outer double NA69 Edge double row roller bearing inner ring has a thick-walled cup needle roller bearings AXW40, take advantage of this outer ring, the wheel can roll directly track roller, and can withstand high loads. VG- bearing roller with a pressure roller, eccentric wheel, rocker wheel. The outer diameter of the roller is cylindrical or spherical. Spherical outer ring can make use of the tilt position to be compensated during installation. Needle roller bearings AXW20, needle roller bearings, needle roller by LINQing municipal governance and needle roller bearings plant. 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!