Detailed description
4944x3D Double-row angular contact ball bearing 220x309.5x76mm(also called rolling mill bearing) is used in rolling mills for the production of hot-rolled and cold-rolled steel products. For more bearing types and designations, contact us!
| Boundary dimensions(mm) | Basic load ratings(kN) | Speed rating | Designation | Weight | Equivalent to foreign designations(FYI) | ||||||
| (rpm) | (kg) | ||||||||||
| d | D | B | rmin | Cr | Cor | Grease | Oil | ||||
| 220 | 309.5 | 76 | 3 | 238 | 491 | 1060 | 1400 | 4944X3D | 18.5 | 305272D | 511045A |













