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. Dozens of manufacturers nationwide support for the integration of needle roller bearings, sells more than 10 provinces and autonomous regions NK38 / 30 needle roller bearings, and exported to more than ten countries and regions. 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. Needle roller bearings also can be installed soon auxiliary sleeve outer diameter coated with a thin layer lubricant NK40 / 30 needle roller bearings, bearing outer ring set into NKS40 needle roller bearings, the auxiliary bearing outer sleeve and form a ring-shaped hole, Then the needle hole in the ring are installed. Bahrain needle, with the work of the auxiliary shaft sleeve can be launched. NK38 / 30 needle roller bearings, needle roller bearings, needle roller provided 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!