Cixi IR 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) is specialized in "physical ring type needle roller bearings, bearing roller type needle roller bearings, needle roller bearings curve wheel class," the enterprise, the company adhering to the "integrity management , hard service "concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Mr.Song. Dimensional tolerances and geometrical accuracy JB / T8877. Mutual difference of needle roller diameter is 2μm Cixi IR needle roller bearings, precision grade is G2 (GB GB309). In line with the inscribed circle diameter tolerance grade F6 before inside without inner bearing assembly. 0 Group provides value bearing radial clearance conform GB / T4604's. Special accuracy class by GB / T307.1. The company bearings are widely used in steel mills, mine machinery, textile machinery, power tools, automobiles, motorcycles, household appliances, power tools, sewing machines, printing machines, rolling machines. In order to avoid work due to structural changes in the material and dimensional changes allowed NKX, Z type needle roller bearing price, bearing materials must undergo a special heat treatment. Depending on the bearing type, standard bearings are hardenability and induction hardening heat treatment of steel with the recommended maximum operating temperature between 120-200 degrees.