<h2>Basic Info.</h2> <table> <tr><td>Inner Diameter</td><td>17 mm</td></tr> <tr><td>Outer Diameter</td><td>40 mm</td></tr> <tr><td>Thickness</td><td>12 mm</td></tr> <tr><td>Model NO.</td><td>30203 30204 30205 30206</td></tr> <tr><td>Lubrication</td><td>Grease or Oil</td></tr> <tr><td>Precision Rating</td><td>P0 P6 P5 P4 P2</td></tr> </table> <h2>Introduction</h2> High-precision angular contact ball bearings manufactured in China. Features compact dimensions (17×40×12 mm), multiple precision grades, and versatile lubrication options. Suitable for OEM/ODM applications with robust production capacity and international certification compliance.
| Inner Diameter | 17 mm |
| Outer Diameter | 40 mm |
| Thickness | 12 mm |
| Model NO. | 30203 30204 30205 30206 |
| Lubrication | Grease or Oil |
| Precision Rating | P0 P6 P5 P4 P2 |
High-precision angular contact ball bearings manufactured in China. Features compact dimensions (17×40×12 mm), multiple precision grades, and versatile lubrication options. Suitable for OEM/ODM applications with robust production capacity and international certification compliance.
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