Why choose the high hardness, wear resistance and impact reistance CBN cutting tools for the bearing steel machining? 

After quenching, the bearing steel has high hardness and tensile strength, low thermal conductivity and high brittleness. It is a difficult-to-cut material. Due to the harsh 

environment and high maintenance cost, wind power bearings often use 42CrM0 with better performance as the main processin materials. The material and the heat 

treatment process are used to improve the service life of the wind power bearing. The hardness after heat treatment reaches above HRC45, and the size and diameter are large,

which requires extremely high requirements for hard turning tools. 

LINKUT could supply the complete  and professional cutting solutions for the bearing steel machining, such as our IBN200, IBN600 solid cbn inserts type, the machining speed, 

tool life and surface quality is greatly improved compared with the ceramic inserts.