| Inner Diameter | 30 mm |
| Outer Diameter | 72 mm |
| Thickness | 19 mm |
| Model | 306-2Z / 306-2ZNR / 306-Z |
| Lubrication | Grease or Oil |
| Origin | China |
High-performance deep groove ball bearing with rich stock, 100% on-time delivery, and OEM/ODM service. Features high-grade grease technology, low vibration (Z1V1–Z3V3), and multiple branding options (NSK, NTN, Timken, etc.). Fast response (<0.5h) and global shipping available.