NA4920 needle roller bearings | needle roller governance (Certified) | needle roller bearings provided 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. Product precision dimensional tolerances and geometrical accuracy JB / T8877. Mutual difference of needle roller diameter is 2μm, precision grade is G2 (GB GB309). The diameter of the inscribed circle conforms to tolerance grade F6 without inner bearing assembly in the front. 0 Group predetermined value bearing radial clearance in line with GB / T4604's. Special accuracy class according to GB / T307.1. Needle Roller Bearing Co., Ltd. Linqing municipal and Mr.Song disclose to you, combined needle roller bearings designed for use with the shaft bearing raceway NKIS100 needle roller bearings, bearing stiffness has certain requirements; or were inlaid with IR standard inner ring sets of treatment, the hardness of the shaft is not required, its structure will be more compact. Governance and bearing the official website: www.zhgzzc.com governance and needle roller bearings to high-quality products NA4920 needle roller bearings, reasonable prices, quality services to compete in the future. Deli staff sincerely welcome new and old customers to visit us!