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Are Blue Seal bearings any good?
ZZ BEARINGS can produce with different color rubber seals color for you ,such as blue color ,red color and brown color .
The most widely used color is black seals as below pictures .
With different seal color ,the bearing quality are same ,just different customer will have different requirements .
Such one of our custmoter want to replace old black bearing , to identify which one replace which one not ,for the new bearings ,they are need blue seals ,stainless steel bearings.
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