Auto Wheel Bearings: The advantages of double Row angular contact ball bearings used in the wheel of automobile: -High quality material. Type DAC series of automobile wheel bearings manufactured by our company using high quality material. Inner ring, outer ring and steel balls are made of high quality vacuum melting steel, the quality of the steel is same as Germany 100Cr6 and Japan SUJ2. Thepolyamide cages are made of imported high quality polyamide.
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