522071 Bore 990 Mm, Cylindrical Roller Bearings, Four Row For Interference Fit On The Roll Neck, Pin Type Cages
The 522071 Four-row cylindrical roller bearings is suitable for heavy machinery applications that bear huge radial loads. Classic applications include: support rolls of rolling mills, large gearboxes, heavy machine tool spindles, wind turbine spindles, ship propulsion shafts, and rotor supports for high-power compressors.
The 522071 bearing is a Cylindrical Roller Bearings, four row for interference fit on the roll neck with an inner diameter of 990 mm , an outer diameter of 1360 mm, a width of 760 mm. Bearing steel rings, Bearing steel rolling mlement. It primarily bears Radial, Its dynamic radial rated load is approximately 30500000 N, its static radial rated load is approximately 68000000 N. Open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
Interchange code: FCDP198272760 (China), 522071 (FAG)
522071 bearings ( 990 mm x 1360 mm x 760 mm) have the advantages of Extremely high radial load capacity, high rigidity, separable design, and are therefore widely used in the metallurgical rolling mills, large gearboxes, and heavy-duty extrusion presses.
| Part Number | 522071 |
| Interchangeable | FAG 522071 |
| Desgin Figure | 1 |
| Cage | pin type cages |
| Seal | Open |
| Bearing Type | Cylindrical Roller Bearings, four row for interference fit on the roll neck |
| Equivalent | FCDP198272760 (China) 522071 (FAG) |
| Bearing Weight [lb] | 7206.837 |
| d φ Inside [inch] | 38.976 |
| D Φ Outside [inch] | 53.543 |
| B Width [inch] | 29.921 |
| F Raceway diameter inner ring [inch] | 42.520 |
| rs min Chamfer inner rings | 12 mm |
| r1s min Chamfer outer rings | 6 mm |
| Cr Radial Dynamic [lbf] | 6856400 |
| C0r Radial Static [lbf] | 15286400 |
The 522071 Four-row cylindrical roller bearings mainly consist of an inner ring, an outer ring, four rows of cylindrical rollers, a cage, and a spacer. Common structures use a configuration of double outer rings (each with double raceways) and a single inner ring (with four raceways), or an interchangeable combination of inner and outer rings. Axial positioning and load distribution are achieved through the spacer.
The advantages of four-row cylindrical roller bearings are their extremely high radial load capacity, high rigidity, and the line contact between the rollers and raceways, resulting in a low coefficient of friction and allowing for high-speed operation under heavy loads. They can also be used as floating end bearings, capable of withstanding axial displacement caused by thermal expansion, and are easy to install and maintain.
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