Sute Bearing Manufacturing Co., Ltd. is the main drafter of the latest national standard "Rolling Bearings- Needle roller and cage assemblies for motorcycle connecting rod". The main types of connecting rod roller and cage components produced are KZK (K, KT), KU and KBK. The cage materials are generally made of 20CrMo, and other high-quality low-carbon steel can also be selected according to the needs, and the cage is warped. Heat treatment, with sufficient strength and wear resistance, can provide silver-plated, copper-plated, blackened, primary color and other surface treatment cages, can provide convex modification needle and special needle grouping.