FC2436105 Bore 120 Mm, Four-row Cylindrical Roller Bearing For Rolling Mill, Machined Brass Solid Cages
The FC2436105 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 FC2436105 bearing is a Four-row cylindrical roller bearing for cold rolling mill, hot rolling mill, billet mill with an inner diameter of 120 mm , an outer diameter of 180 mm, a width of 105 mm. It typically uses P0, P2, P4 grade precision tolerances and Bearing steel rings, Bearing steel rolling mlement. It primarily bears radial, Its dynamic radial rated load is approximately 413000 N, its static radial rated load is approximately 770000 N. It uses C3 standard radial clearance, Open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
Interchange code: FC2436105 (China), 4R2438 (NTN), 4CR120 (KOYO)
FC2436105 bearings ( 120 mm x 180 mm x 105 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 | FC2436105 |
| Old Code | 672724 |
| Interchangeable | ZWZ FC2436105 |
| Cage | machined brass solid cages |
| Radial internal clearance | C3 |
| Seal | Open |
| Bearing Type | Four-row cylindrical roller bearing for cold rolling mill, hot rolling mill, billet mill |
| Equivalent | FC2436105 (China) 4R2438 (NTN) 4CR120 (KOYO) |
| Design type | FC = two ribs on the outer ring, single on the inner ring without ribs |
| Bearing Weight [lb] | 20.128 |
| Inner ring Weight [lb] | 5.511 |
| d φ Inside [inch] | 4.724 |
| D Φ Outside [inch] | 7.087 |
| B Width [inch] | 4.134 |
| Fw Raceway diameter inner ring [inch] | 5.315 |
| C [inch] | 4.134 |
| D1 [inch] | 6.299 |
| b(max) [inch] | 0.256 |
| k(max) [inch] | 0.157 |
| r min Chamfer inner ring | 2 mm |
| r1 min Chamfer outer ring | 2 mm |
| Cr Radial Dynamic [lbf] | 92842 |
| C0r Radial Static [lbf] | 173096 |
| nB Speed ratings (grease) [rpm] | 2600 |
| nG Speed ratings (oil) [rpm] | 3400 |
The FC2436105 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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