NK15 / 20 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. Needle Roller Bearing Co., Ltd. governance clearance table / C1-- clearance within the standard of a group, the clearance is less than 2 groups. / C2-- Clearance meet the standard requirements of the two groups NK15 / 20 needle roller bearings, clearance is less than 0 group. / C0-- Clearance meet the standard requirements of the 0 group NKS15 needle roller bearings, code omitted, does not mean that. / C3-- Clearance meet the standard requirements of the three groups NK16 / 20 needle roller bearings, clearance greater than 0 groups. / C4-- Clearance meet the standard requirements of four groups, clearance greater than 3 groups. / C5-- clearance within the standard of five groups, clearance greater than 4 groups. Together with snap ring bearing cylindrical roller ...