Bearing code structural features NATR Cage have inner curved surfaces or cylindrical roller rolling surface NATR..PP Cage has curved inner surface or cylindrical roller rolling surface NATV full complement needle roller curved inner ring plane or cylindrical surfaces NATV..PP full complement needle roller has a curved inner surface of the roll surface or cylindrical roller NUTR full complement cylindrical roller has a curved inner surface roll NUTR..X full complement cylindrical roller has within Circle cylindrical roll. KR and KR ... PP curve roller in KR, KR ... PP curve within NATRD10 needle roller bearings, needle roller cage is there to guide, while the outer ring on the shaft bolt retainer via to boot. For heavy loads and the speed. Due to the internal bearings have more fat storage space, so the lubrication intervals have been extended. KR ... PP curve wheel in contact with the seal structure. Use of -30 ℃ -100 ℃. NATRD15 needle roller bearings | governance Needle (certified) | needle roller bearings provided by Linqing municipal and needle roller bearings plant. Linqing municipal and needle roller bearings plant (www.zhgzzc.com) Shandong Liaocheng, other leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Needle in governance and leadership with the staff warmly welcome all inquiries negotiations to create a better future governance and needle.