120FC82575C Bore 600 Mm, Four-row Cylindrical Roller Bearing For Rolling Mill, Machined Steel Cages
The 120FC82575C 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 120FC82575C bearing is a Four-row cylindrical roller bearing for cold rolling mill, hot rolling mill, billet mill with an inner diameter of 600 mm , an outer diameter of 820 mm, a width of 575 mm. Bearing steel rings, Bearing steel rolling mlement. It primarily bears radial, Its dynamic radial rated load is approximately 13000000 N, its static radial rated load is approximately 36000000 N. It uses C3 standard radial clearance, Open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
120FC82575C bearings ( 600 mm x 820 mm x 575 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 | 120FC82575C |
| Interchangeable | KOYO 120FC82575C |
| Desgin Figure | 3-2P |
| Cage | machined steel cages - pin type |
| Radial internal clearance | C3 |
| Seal | Open |
| Bearing Type | Four-row cylindrical roller bearing for cold rolling mill, hot rolling mill, billet mill |
| Design type | Outer ring with loose rib, Oil mist lubrication, Two inner rings |
| Bearing Weight [lb] | 2028.232 |
| d φ Inside [inch] | 23.622 |
| D Φ Outside [inch] | 32.283 |
| B Width [inch] | 22.638 |
| Fw Raceway diameter inner ring [inch] | 25.984 |
| C [inch] | 22.638 |
| r min Chamfer outer ring | 5 mm |
| r1 min Chamfer inner ring | 5 mm |
| Cr Radial Dynamic [lbf] | 2922400 |
| C0r Radial Static [lbf] | 8092800 |
| Mounting dimensions | |
| da min shaft [inch] | 24.488 |
| Da max housing [inch] | 31.417 |
| Da min housing [inch] | 30.394 |
| ra max Fillet radius [inch] | 0.157 |
| rb max Fillet radius [inch] | 0.157 |
The 120FC82575C 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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