<h2>Basic Specifications</h2> <table> <tr><td>Inner Diameter</td><td>40 mm</td></tr> <tr><td>Outer Diameter</td><td>90 mm</td></tr> <tr><td>Thickness</td><td>23 mm</td></tr> <tr><td>Material</td><td>Bearing Steel</td></tr> <tr><td>Type</td><td>Self-Aligning Roller Bearing</td></tr> <tr><td>Load Direction</td><td>Radial Bearing</td></tr> </table> <h2>Product Overview</h2> High-precision self-aligning roller bearing (Model NO. 21308–24124), designed for medium/large applications (120–190mm outer dimension). Made of premium bearing steel, it supports radial loads with alignment capability, available in precision grades P0–P2 and clearances C0–C4. Lubricated with grease or oil, suitable for OEM/ODM use. Origin: China.