<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>Load Direction</td><td>Radial Bearing</td></tr> <tr><td>Application</td><td>Electric Motor, Ebike, Auto Parts</td></tr> </table> <h2>Introduction</h2> Ceramic Deep Groove Ball Bearings with low friction coefficient and high hardness. Precision rated P0–P4, grease or oil lubricated. Compact size 8×22×7 mm, ideal for high-speed, high-temperature applications in motorcycles, fans, and electric motors. Made in China, OEM/ODM supported.