508955 Bore 150 Mm, Cylindrical Roller Bearings, Four Row For Interference Fit On The Roll Neck, No Cage
The 508955 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 508955 bearing is a Cylindrical Roller Bearings, four row for interference fit on the roll neck with an inner diameter of 150 mm , an outer diameter of 230 mm, a width of 156 mm. Bearing steel rings, Bearing steel rolling mlement. It primarily bears Radial, Its dynamic radial rated load is approximately 1250000 N, its static radial rated load is approximately 2080000 N. Open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
508955 bearings ( 150 mm x 230 mm x 156 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 | 508955 |
| Interchangeable | FAG 508955 |
| Desgin Figure | 4 |
| Cage | No cage |
| Seal | Open |
| Bearing Type | Cylindrical Roller Bearings, four row for interference fit on the roll neck |
| Bearing Weight [lb] | 55.335 |
| d φ Inside [inch] | 5.905 |
| D Φ Outside [inch] | 9.055 |
| B Width [inch] | 6.142 |
| F Raceway diameter inner ring [inch] | 6.850 |
| rs min Chamfer inner rings | 2.1 mm |
| r1s min Chamfer outer rings | 2.1 mm |
| Cr Radial Dynamic [lbf] | 281000 |
| C0r Radial Static [lbf] | 467584 |
The 508955 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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