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Cheapest Price Alumina Ceramic Beads - Zirconia . Cheapest Price Alumina Ceramic Beads - Zirconia ceramic ball bearing – Sanxin Hi-Tech Ceramics Detail: Zirconia ceramic ball bearing (ZCB) Definition: Zirconia ceramic ball bearing is also known as zirconia hybrid bearing, the rolling element is zirconia ceramic ball, inner ring and outer ring is metal.The structure is the same as metal bearings
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