Detailed description
512127 bearings ( 136.525 mm x 225.425 mm x 120.65 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 | 512127 |
| Interchangeable | FAG 512127 |
| Desgin Figure | 1 |
| Cage | Stamping steel cage |
| Arrangement | face-to-face (><) |
| Seal | Open |
| Bearing Type | Tapered Roller Bearings, double row for loose fit on the roll neck |
| Design type | TDI |
| Equivalent Timken (TDI-Type) | H228649DW.610 |
| Bearing Weight [lb] | 42.549 |
| d φ Inside [inch] | 5.375 |
| D Φ Outside [inch] | 8.875 |
| B Width [inch] | 4.750 |
| Bi Width [inch] | 4.750 |
| rs min Chamfer Cup | 3.3 mm |
| r1s min Chamfer Cone | 1.5 mm |
| C0r Radial Static [lbf] | 366424 |
| Cr Radial Dynamic ISO 281 [lbf] | 197824 |
| Cr Radial Dynamic (value for housings with angular freedom) [lbf] | 233792 |
| Cr90 Equivalent load rating [lbf] | 59572 |
| Ca90 Equivalent load rating [lbf] | 21356 |
| Factor | |
| e | 0.37 |
| K Thrust factor | 1.58 |















