| Inner Diameter | 45 mm |
| Outer Diameter | 100 mm |
| Thickness | 27.25 mm |
| Type | Tapered Roller Bearing |
| Cage Material | Iron/Brass/Nylon |
| Precision Rating | P0, P6, P5, P4, P2 |
High-precision tapered roller bearing (Model 31309) for radial load applications. Features adjustable clearance, robust cage options, and multiple precision grades. Suitable for OEM/ODM use with standard packaging and global brand compatibility.