| Inner Diameter | 2.5 mm |
| Outer Diameter | 6 mm |
| Thickness | 1.8 mm |
| Models | W618/2.5, W619/2.5, W630/2.5-2Z |
| Lubrication | Grease or Oil |
| Origin | China |
High-performance miniature ball bearings with rich stock, 100% on-time delivery, and OEM/ODM support. Suitable for precision instruments, micro-motors, and compact mechanical systems. Certified with HS Code 8482102000.