Detailed description
511998 bearings ( 480 mm x 650 mm x 180 mm) have the advantages of Extremely high load-bearing capacity and rigidity, and are therefore widely used in the Hot rolling, cold rolling, and wire rod mills.

| Part Number | 511998 |
| Interchangeable | FAG 511998 |
| Desgin Figure | 2 |
| Cage | Stamping steel cage |
| Arrangement | back-to-back (<>) |
| Seal | Open |
| Bearing Type | Tapered Roller Bearings, double row, in metric dimensions O-arrangement |
| Other | spacer with radial lubrication grooves |
| Bearing Weight [lb] | 335.099 |
| d φ Inside [inch] | 18.898 |
| D Φ Outside [inch] | 25.591 |
| T Cone [inch] | 7.087 |
| C Cup [inch] | 5.118 |
| rs min Chamfer Cup | 2 mm |
| r1s min Chamfer Cone | 5 mm |
| Cr Radial Dynamic [lbf] | 584480 |
| C0r Radial Static [lbf] | 1438720 |
| Factor | |
| e | 0.4 |















