Needle Roller Bearing Co., Ltd. is located in Linqing governance Linqing Pan Town Industrial Park West first, and tobacco shops bearing market together NKI42 / 20 needle roller bearings, close to the Pro Hall Road, traffic is very convenient. In the seal can not be installed due to space limitations of occasions NKI42 / 30 needle roller bearings, providing an open-ended or closed end Needle roller bearings with seals (3-5). These bearings equipped polyurethane or synthetic rubber seal friction, wherein the lithium base grease with good anti-rust performance is filled, suitable operating temperature from -20 to + 100 ℃. A seal bearing inner ring needle roller bearings 1mm wider than the outer ring, which is opposite the bearing in the crankshaft bearing box with a little displacement but also to ensure a good seal and prevent injury to the work of bearing contamination. There lubricated bearing inner hole of the bearing arrangement as needed, supplemented by outer or inner ring lubrication. Mounted on the shaft of the Needle roller bearings have bilateral and unilateral closed open. Drawn cup closed proximal end surface can withstand the axial guiding force. Needle roller bearings according to different occasions, can be used without an inner ring of the bearing or needle roller and cage assemblies NA4908 needle roller bearings, and bearing journal surface at this time matching and shell holes directly on the surface as the inner bearing outer rolling surface, To ensure the load capacity and operating performance and have the same bearing rings, shaft or housing bore raceway surface hardness, machining accuracy and surface quality should be similar bearing ring raceway. Such bearings can only bear radial load NKI40 / 20 needle roller bearings, needle roller bearings, needle roller provided by LINQing municipal governance and needle roller bearings plant. Linqing municipal and needle roller bearings plant (www.zhgzzc.com) strong, credible, in other industries, Liaocheng accumulated a large number of loyal customers. The company better work attitude and constantly improving governance and innovative ideas will lead you hand needle and into the brilliant, for a better future!