Needle roller bearings _ governance (certified) _ Needle Roller Bearings Linqing provided by 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, 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 has a sophisticated production equipment needle roller bearings, perfect detection means NK needle bearing, strong technical force, "to the credibility of development, the supply of needle roller bearings, the quality of survival" for the purpose. Bearing in the work, which will be due to changes in the size and structure of the material changes. This shift by temperature, time and stress influence. In order to avoid changing the structure of the material and dimensional changes in the work is not allowed, the bearing materials must be special heat treatment.