Heat velocity V bearings, needle roller bearings NA6915, mainly caused by the friction of the bearings, needle roller bearings NA4915, shows that bearing life is mainly determined by the value of P × V. In order to avoid changing the structure of the material and dimensional changes are not allowed in the work, needle roller bearings, bearing materials must be through a special heat treatment. Governance and needle roller bearings Limited staff and thanked all walks of life support and love! We sincerely welcome domestic and foreign merchants work together to achieve win-win situation. Roller bearings for heavy loads, needle roller bearings NKI80 / 35, ball bearings for light or medium loads, bainite hardening or carburizing steel bearings, can withstand shock and vibration loads. Needle roller bearings NKI80 / 25_ governance and needle (Online) _ Needle Roller Bearings Linqing provided by 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.