| Inner Diameter | 5 mm |
| Outer Diameter | 11 mm |
| Thickness | 3 mm |
| Model | W618/5, W619/5, W619/5X-2Z |
| Lubrication | Grease or Oil |
| Origin | China |
High-performance miniature deep groove ball bearings with rich stock, 100% on-time delivery, and OEM/ODM service. Suitable for precision instruments requiring low vibration (Z1V1–Z3V3) and high reliability.