524469 Bore 317.5 Mm, Tapered Roller Bearings, Four Row For Rolling Mills
The 524469 Four-row tapered roller bearings are suitable for applications involving heavy combined loads. Classic applications include rolling mill work rolls, heavy machine tool spindles, mining crushers, oil drilling rig turntables, large wind turbine spindles, and shaft positioning ends of ship propulsion systems.
The 524469 bearing is a Tapered Roller Bearings, four row for Rolling Mills (in inch dimensions) with an inner diameter of 317.5 mm , an outer diameter of 447.675 mm, a width of 327.025 mm. Bearing steel rings, Bearing steel rolling mlement. It primarily bears Radial and axial loads, Its dynamic radial rated load is approximately 4800000 N, its static radial rated load is approximately 10400000 N. Open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
524469 bearings ( 317.5 mm x 447.675 mm x 327.025 mm) have the advantages of It can withstand extremely high radial loads and bidirectional axial loads, has a compact structure, and is highly rigid, making it suitable for heavy-duty impact conditions, and are therefore widely used in the Metallurgical rolling mills, large gearboxes, heavy mining machinery, oil drilling equipment.
| Part Number | 524469 |
| Interchangeable | FAG 524469 |
| Desgin Figure | 2 |
| Cage | Stamping steel cage |
| Seal | Open |
| Bearing Type | Tapered Roller Bearings, four row for Rolling Mills (in inch dimensions) |
| Design type | TQO |
| Equivalent number (TQO-Type) | HM259049DGW.010.010D |
| Bearing Weight [lb] | 368.168 |
| d φ Inside [inch] | 12.500 |
| D Φ Outside [inch] | 17.625 |
| B Width [inch] | 12.875 |
| Bi Width [inch] | 12.875 |
| rs min Chamfer Cup | 3.3 mm |
| r1s min Chamfer Cone | 3.3 mm |
| Cr Radial Dynamic [lbf] | 1079040 |
| C0r Radial Static [lbf] | 2337920 |
| Cr90 Equivalent load rating [lbf] | 274256 |
| Ca90 Equivalent load rating [lbf] | 44960 |
| Factor | |
| e | 0.33 |
| K Thrust factor | 1.75 |
The 524469 Four-row tapered roller bearings typically consist of two double-raceway outer rings, two single-raceway inner rings, four rows of tapered rollers, a cage, and a spacer. The inner and outer rings and rollers are designed in metric or imperial units. The axial clearance or preload can be precisely adjusted by grinding the spacer.
The advantage of four-row tapered roller bearings is that they can withstand huge radial loads and bidirectional axial loads at the same time. They have extremely high overall rigidity and excellent load-bearing capacity, making them suitable for use as fixed ends to achieve precise axial positioning. However, their limiting speed is relatively lower than that of cylindrical roller bearings.
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