| Inner Diameter | 17 mm |
| Outer Diameter | 30 mm |
| Thickness | 7 mm |
| Model | W61903 / W61903-2RS1 / W61903-2Z |
| Lubrication | Grease or Oil |
| Origin | China |
High-performance deep groove ball bearing with rich stock, 100% on-time delivery, and OEM/ODM support. Suitable for precision machinery requiring low vibration (Z1V1–Z3V3) and reliable grease/oil lubrication. Made in China, certified with HS Code 8482102000.