| Inner Diameter | 100 mm |
| Outer Diameter | 180 mm |
| Thickness | 46 mm |
High-performance spherical roller bearing with grease or oil lubrication. Models: 21320E, 21320EK, 22220E. Made in China (HS Code: 8482102000), trademark BDL. Features high grease technology, Z1V1–Z3V3 vibration grades, 100% on-time delivery, and OEM/ODM service.