FC5272230 Four-row Rolling Mills Bearing, Machined Brass Cage
The FC5272230 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 FC5272230 bearing is a Four-row cylindrical roller bearing for rolling mills with an inner diameter of 260 mm , an outer diameter of 360 mm, a width of 230 mm. GCr15, ZGCr15, GCr15SiMn, 20Cr2Ni4A rings, GCr15, ZGCr15, GCr15SiMn, 20Cr2Ni4A rolling mlement. Its dynamic radial rated load is approximately 1978739 N, its static radial rated load is approximately 4647591 N. Open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
Interchange code: FC5272230/YA3 (China), BC4B320956 (SKF), 533880 (FAG)
FC5272230 bearings ( 260 mm x 360 mm x 230 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 | FC5272230 |
| Interchangeable | XLB FC5272230 |
| Bearing Type | Four-row cylindrical roller bearing for rolling mills |
| Cage | Machined brass cage |
| Seal | Open |
| Bore Type | Cylindrical bore |
| Design variant | E.1/WO |
| Series | FC527.. |
| Coating | No |
| Units | Metric |
| Weight [lb] | 162.038 |
| Equivalent | 533880 , FC5272230 |
| Bearing part | Complete |
| Heat stabilized | 150 °C(300 °F) |
| Cr Radial Dynamic [lbf] | 444820 |
| C0r Radial Static [lbf] | 1044778 |
| Pu Fatigue load limit [lbf] | 101800 |
| Dimension | |
| d φ Inside [inch] | 10.236 |
| D Φ Outside [inch] | 14.173 |
| B Inner Width [inch] | 9.055 |
| C Outer Width [inch] | 9.055 |
| D1 [inch] | 12.835 |
| F [inch] | 11.496 |
| r1, r2(min.) [mm] | 3 |
| r3, r4(min.) [mm] | 3 |
| kr Calculation coefficient | 0.47 |
The FC5272230 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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