| Inner Diameter | 5 mm |
|---|---|
| Outer Diameter | 13 mm |
| Thickness | 4 mm |
| Models | W619/5-2RS1, W619/5-2Z, W625 |
| Lubrication | Grease or Oil |
| Origin | China |
High-performance miniature deep groove ball bearings with rich stock, 100% on-time delivery, and OEM/ODM support. Suitable for precision instruments, motors, and automation equipment. Features low vibration (Z1V1–Z3V3), high-grade grease technology, and multiple brand options (NSK, NTN, Timken, etc.).