<h2>Basic Info.</h2> <table> <tr><td>Inner Diameter</td><td>5 mm</td></tr> <tr><td>Outer Diameter</td><td>21 mm</td></tr> <tr><td>Thickness</td><td>6 mm</td></tr> <tr><td>Material</td><td>Bearing Steel</td></tr> <tr><td>Lubrication</td><td>Self-lubricating</td></tr> <tr><td>Load Direction</td><td>Radial Spherical Plain Bearing</td></tr> </table> <h2>Introduction</h2> This spherical plain bearing (Model: SI5T/K, Brand: BDL) features high precision, long life and low noise. Designed for engineering hydraulic cylinders, construction machinery, automotive shock absorbers and automation equipment. Made in China with steel-on-steel sliding contact and neutral carton pallet packaging.