Detailed description
542129 bearings ( 220.13 mm x 336.55 mm x 180.975 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 | 542129 |
| Interchangeable | FAG 542129 |
| Desgin Figure | 2 |
| Cage | Stamping steel cage |
| Arrangement | face-to-face (><) |
| Seal | Open |
| Bearing Type | Tapered Roller Bearings, double row with extended cone |
| Bearing Weight [lb] | 136.685 |
| d φ Inside [inch] | 8.667 |
| D Φ Outside [inch] | 13.250 |
| B Width [inch] | 7.125 |
| Bi Width [inch] | 9.625 |
| d1 [inch] | 9.500 |
| rs min Chamfer Cup | 3.3 mm |
| r1s min Chamfer Cone | 1.5 mm |
| C0r Radial Static [lbf] | 955400 |
| Cr Radial Dynamic ISO 281 [lbf] | 418128 |
| Cr Radial Dynamic (value for housings with angular freedom) [lbf] | 485568 |
| Cr90 Equivalent load rating [lbf] | 125888 |
| Ca90 Equivalent load rating [lbf] | 42712 |
| Factor | |
| e | 0.35 |
| K Thrust factor | 1.68 |















