Dimensional tolerances and geometrical accuracy JB / T8877. Mutual difference of needle roller diameter is 2μm RNA69 / 28 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. As business enterprises bearing needle roller bearings, we always uphold the integrity and help customers NK32 / 30 needle roller bearings, stick with their service to impress clients. With the development of China's industrialization process, and China's machinery products in the increasing competitiveness in international markets, the domestic automobile, motorcycle, power tools and other industry appeared rapid growth. Needle roller bearings are widely used in light series Rolling RNA69 / 28 needle roller bearings Needle roller bearings _ _ Needle 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 improve governance and innovative ideas will lead you hand needle and into the brilliant, for a better future!