Needle roller bearings, needle roller hardened steel outer ring and cage assembly can not be separated. Lubricant storage free space can be extended to add lubrication interval. Bearings and bearing housings shall be installed in an interference fit. If it can save me axial positioning shoulder, snap rings function, then the bearings inside the hole can be made very simple and economic. Governance and needle roller bearings Combined needle roller bearings plant sales needle roller bearings for use in combination with the shaft bearing raceway designed for needle roller bearings K89313TN, the hardness of the bearing needle bearing certain requirements K81213TN, auxiliary roll, the outer diameter of the secondary sleeve It should be smaller than the shaft diameter of 0.1-0.3mm. When installed, the first bearing outer ring surface coated with grease, abutting the inner surface of the needle placement (when the last one needle into a gap). Needle roller bearings K89412TN, governance and needle (online consultation), needle roller bearings supplied by Linqing municipal and needle roller bearings plant. Linqing municipal and needle roller bearings plant (www.zhgzzc.com) (www.zhgzzc.net) Shandong Liaocheng, other leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum meet customer needs. Needle in governance and leadership with the staff warmly welcome all inquiries negotiations to create a better future governance and needle.