... bearing OD 80MM 3.Ceramic bearing W 16MM ZRO2 Ceramic bearing 6010 Ceramic bearing Specifications: 1) ... 60102) ID 50, OD 80, W 16MM3) Material: ZRO2,white color, SI3N4, black color. SIC, black color4) ... material and is alsoblack colored. 4.Ceramic Bearings, ZrO2 stands for the zirconium dioxide, also known as ... or zirconium oxide, they are white colored, a ZrO2 ball looks exactly like a pearl. 5.The ...