Quality standard: ISO 9001: 2008 or TS 16949:2002 quality management system.
Material of rings and needles: 100Cr6 or GCr15.
Features: According to a different use of the environment, you can choose the bearing without inner ring or needle roller with cage assembly. In order to ensure the load capacity and operating flexibility is as same as bearing ring, the hardness of the shaft and housing bore raceway surface should be similar to the roller bearing rings.
needle roller bearings