<h2>Basic Info</h2> <table> <tr><td>Inner Diameter</td><td>8 mm</td></tr> <tr><td>Outer Diameter</td><td>22 mm</td></tr> <tr><td>Thickness</td><td>7 mm</td></tr> <tr><td>Material</td><td>Ceramic (Si3N4, ZrO2)</td></tr> <tr><td>Type</td><td>Ceramic Deep Groove Ball Bearings</td></tr> <tr><td>Application</td><td>Motorcycle, Auto Parts, Electric Motor, Ebike</td></tr> </table> Ceramic deep groove ball bearings with low friction coefficient and high hardness. Designed for high-speed, high-precision applications. Available in precision grades P0–P4 and standard sizes including 608CE, 626CE, 6204CE, 6206CE. Made in China.