Detailed description
515129 bearings ( 254 mm x 533.4 mm x 276.225 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 | 515129 |
| Interchangeable | FAG 515129 |
| Desgin Figure | 1 |
| Cage | Stamping steel cage |
| Arrangement | back-to-back (<>) |
| Seal | Open |
| Bearing Type | Tapered Roller Bearings, double row, in inch dimensions O-arrangement |
| Design type | TDO |
| Equivalent number (TDO-Type) | HH953749.710D |
| Bearing Weight [lb] | 570.991 |
| d φ Inside [inch] | 10.000 |
| D Φ Outside [inch] | 21.000 |
| T Cone [inch] | 10.875 |
| C Cup [inch] | 6.500 |
| rs min Chamfer Cup | 1.5 mm |
| r1s min Chamfer Cone | 6.4 mm |
| C0r Radial Static [lbf] | 1213920 |
| Cr Radial Dynamic ISO 281 [lbf] | 753080 |
| Cr90 Equivalent load rating [lbf] | 224800 |
| Ca90 Equivalent load rating [lbf] | 191080 |
| Factor | |
| e | 0.87 |
| K Thrust factor | 0.67 |















