Detailed description
511981 bearings ( 200 mm x 310 mm x 152 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 | 511981 |
| Interchangeable | FAG 511981 |
| 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] | 88.404 |
| d φ Inside [inch] | 7.874 |
| D Φ Outside [inch] | 12.205 |
| T Cone [inch] | 5.984 |
| C Cup [inch] | 4.843 |
| rs min Chamfer Cup | 1.5 mm |
| r1s min Chamfer Cone | 4 mm |
| Cr Radial Dynamic [lbf] | 289992 |
| C0r Radial Static [lbf] | 618200 |
| Factor | |
| e | 0.43 |















