... SKF,NSK,HCH 4.best after bearing auto bearing:1. Product range of use: 1) These bearing are widely used in automobile, electrical ... ) 100Cr6 -Germany, carbon steel, iron. 4) Shield / Closure: Plain (Open), Z, ZZ, RS, 2RS, 2ZR, 2Z. 5) Vibration and Noisy level ... brand, etc.) 3. The company promises: Jinan Kaiming Bearing Co., Ltd. Is a famous bearing manufacturer authorized agent and is one of the world ...