NA6909 needle roller bearings, needle roller governance (Certified), needle roller bearings supplied by LINQing municipal and needle roller bearings plant. Linqing municipal and needle roller bearings plant (www.zhgzzc.com) is specialized in the "physical ring type needle roller bearings, bearing roller type needle roller bearings, needle roller bearings curve roller type," the enterprise, the company adhering to the "integrity of management , hard service "concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Mr.Song. The retainer materials (1) the majority of the steel cage bearings are used, the most widely used low-carbon steel stamping ribbon, basket-shaped, box-shaped holder, etc., suitable for bearing condition carbon chromium bearing steel and the environment; with carbon steel plate stamping cage bearing operating conditions and environments suitable for corrosion resistant bearing steel. (2) smooth surface with good quality non-ferrous metals. Under high temperature conditions NA6911 needle roller bearings, silicon bronze may be solid cage, operating temperature up to 315 degrees Celsius; because of the strength of aluminum is lower than brass, light weight, and thus commonly used aluminum and brass manufacturing entity roll cage needle bearings, mainly used in high speed, lighter weight, corrosion resistance and other conditions. (3) engineering plastic cage, in recent years have greatly developed NKI50 / 35 needle roller bearings, mainly because it has some corrosion resistance, self-lubricating properties, friction is small, easily obtained, cheap NKIS50 Needle roller bearings, easy to manufacture, etc., but easy "aging." Currently used by 66 of the most widely-reinforced nylon, it can continue working temperature range of -40 to 120 degrees Celsius. Needle roller bearings according to different occasions, can be used without an inner ring of the bearing or needle roller and cage assemblies, then the journal surface and the surface of the bearing shell holes match directly as the bearing, the 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