525438 Bore 730 Mm, Cylindrical Roller Bearings, Four Row For Interference Fit On The Roll Neck, Pin Type Cages
The 525438 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 525438 bearing is a Cylindrical Roller Bearings, four row for interference fit on the roll neck with an inner diameter of 730 mm , an outer diameter of 960 mm, a width of 620 mm. Bearing steel rings, Bearing steel rolling mlement. It primarily bears Radial, Its dynamic radial rated load is approximately 17600000 N, its static radial rated load is approximately 45000000 N. Open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
Interchange code: FCDP146192620 (China), 315982 (SKF), 525438 (FAG), 730RV9611 (NSK)
525438 bearings ( 730 mm x 960 mm x 620 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 | 525438 |
| Interchangeable | FAG 525438 |
| Desgin Figure | 1 |
| Cage | pin type cages |
| Seal | Open |
| Bearing Type | Cylindrical Roller Bearings, four row for interference fit on the roll neck |
| Equivalent | FCDP146192620 (China) 315982 (SKF) 525438 (FAG) 730RV9611 (NSK) |
| Bearing Weight [lb] | 2685.203 |
| d φ Inside [inch] | 28.740 |
| D Φ Outside [inch] | 37.795 |
| B Width [inch] | 24.409 |
| F Raceway diameter inner ring [inch] | 31.102 |
| rs min Chamfer inner rings | 20x20° mm |
| r1s min Chamfer outer rings | 3 mm |
| Cr Radial Dynamic [lbf] | 3956480 |
| C0r Radial Static [lbf] | 10116000 |
The 525438 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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