6pcs 9mm Ceramic Diff Bearing Balls Si3N4 Silicon
2021-6-6 · Ceramic Engine Bearing 14x25.4x6mm by ACER Racing Description. This 14x25.4x6mm ceramic engine bearing features our diamond polished Silicon Nitride ceramic balls plus a super high speed PEEK inner cage to withstand the heat and stress of your engine. Proprietary internal tolerances have been incorporated into this ceramic bearing as well.
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