517944 Bore 406.4 Mm, Tapered Roller Bearings, Four Row For Rolling Mills, Machined Steel Cages
The 517944 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 517944 bearing is a Tapered Roller Bearings, four row for Rolling Mills (in inch dimensions) with an inner diameter of 406.4 mm , an outer diameter of 590.55 mm, a width of 400.05 mm. Bearing steel rings, Bearing steel rolling mlement. It primarily bears Radial and axial loads, Its dynamic radial rated load is approximately 7650000 N, its static radial rated load is approximately 16000000 N. Open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
517944 bearings ( 406.4 mm x 590.55 mm x 400.05 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 | 517944 |
| Interchangeable | FAG 517944 |
| Desgin Figure | 3 |
| Cage | machined steel cages - pin type |
| Seal | Open |
| Bearing Type | Tapered Roller Bearings, four row for Rolling Mills (in inch dimensions) |
| Design type | TQO |
| Equivalent number (TQO-Type) | EE833161DW.232.233D |
| Bearing Weight [lb] | 833.339 |
| d φ Inside [inch] | 16.000 |
| D Φ Outside [inch] | 23.250 |
| B Width [inch] | 15.750 |
| Bi Width [inch] | 15.750 |
| rs min Chamfer Cup | 6.4 mm |
| r1s min Chamfer Cone | 3.3 mm |
| Cr Radial Dynamic [lbf] | 1719720 |
| C0r Radial Static [lbf] | 3596800 |
| Cr90 Equivalent load rating [lbf] | 433864 |
| Ca90 Equivalent load rating [lbf] | 71936 |
| Factor | |
| e | 0.34 |
| K Thrust factor | 1.72 |
The 517944 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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