<h2>Basic Info.</h2> <table> <tr><td>Inner Diameter</td><td>20 mm</td></tr> <tr><td>Outer Diameter</td><td>42 mm</td></tr> <tr><td>Thickness</td><td>15 mm</td></tr> <tr><td>Model NO.</td><td>32004 / 30204 / 32204 / 30304</td></tr> <tr><td>Lubrication</td><td>Grease or Oil</td></tr> <tr><td>Origin</td><td>China</td></tr> </table> <h2>Introduction</h2> High-precision angular contact ball bearings with P0–P2 ratings, low vibration (Z1V1–Z3V3), suitable for OEM/ODM applications. Compact size (20×42×15 mm), robust carton/pallet packaging, and certified HS code 8482200000.