FCD5680285 Four-row Rolling Mills Bearing, Machined Brass Cage
The FCD5680285 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 FCD5680285 bearing is a Four-row cylindrical roller bearing for rolling mills with an inner diameter of 280 mm , an outer diameter of 400 mm, a width of 285 mm. GCr15, ZGCr15, GCr15SiMn, 20Cr2Ni4A rings, GCr15, ZGCr15, GCr15SiMn, 20Cr2Ni4A rolling mlement. Its dynamic radial rated load is approximately 3137544 N, its static radial rated load is approximately 7348483 N. Open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
Interchange code: FCD5680285 (China), 314170/VJ202 (SKF), 513342 (FAG), 280RV4021 (NSK)
FCD5680285 bearings ( 280 mm x 400 mm x 285 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 | FCD5680285 |
| Interchangeable | XLB FCD5680285 |
| Bearing Type | Four-row cylindrical roller bearing for rolling mills |
| Cage | Machined brass cage |
| Seal | Open |
| Bore Type | Cylindrical bore |
| Design variant | E.3/WO |
| Series | FCD568.. |
| Coating | No |
| Units | Metric |
| Weight [lb] | 264.552 |
| Equivalent | 513342.N12BA , FCD5680285 |
| Bearing part | Complete |
| Heat stabilized | 150 °C(300 °F) |
| Cr Radial Dynamic [lbf] | 705319 |
| C0r Radial Static [lbf] | 1651938 |
| Pu Fatigue load limit [lbf] | 159219 |
| Dimension | |
| d φ Inside [inch] | 11.024 |
| D Φ Outside [inch] | 15.748 |
| B Inner Width [inch] | 11.220 |
| C Outer Width [inch] | 11.220 |
| D1 [inch] | 14.173 |
| F [inch] | 12.441 |
| r1, r2(min.) [mm] | 3 |
| r3, r4(min.) [mm] | 3 |
| kr Calculation coefficient | 0.62 |
The FCD5680285 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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