Wholesale Stainless Steel Bearing Unit,Stainless Steel ...
The stainless steel bearing rings and rolling elements are made of 440C stainless steel (9Cr18Mo, 9Cr18). They are vacuum quenched and tempered, and the cage and seal ring skeleton are used. The material is 304 stainless steel (0Cr18Ni9). Compared with ordinary bearing steel, stainless steel bearings have stronger rust and corrosion resistance.
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