166FC108710 Bore 830 Mm, Four-row Cylindrical Roller Bearing For Rolling Mill, Machined Steel Cages
The 166FC108710 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 166FC108710 bearing is a Four-row cylindrical roller bearing for cold rolling mill, hot rolling mill, billet mill with an inner diameter of 830 mm , an outer diameter of 1080 mm, a width of 710 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 22800000 N, its static radial rated load is approximately 62000000 N. It uses C3 standard radial clearance, Open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
Interchange code: FCDP166216710/YA6 (China), 567729 (FAG), 4R16601 (NTN), 166FC108710 (KOYO)
166FC108710 bearings ( 830 mm x 1080 mm x 710 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 | 166FC108710 |
| Interchangeable | KOYO 166FC108710 |
| 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 |
| Equivalent | FCDP166216710/YA6 (China) 567729 (FAG) 4R16601 (NTN) 166FC108710 (KOYO) |
| Bearing Weight [lb] | 3802.935 |
| d φ Inside [inch] | 32.677 |
| D Φ Outside [inch] | 42.520 |
| B Width [inch] | 27.953 |
| F Raceway diameter inner ring [inch] | 35.276 |
| C [inch] | 27.953 |
| r1,2 min Chamfer inner ring | 7.7 mm |
| r3,4 min Chamfer outer ring | 7.7 mm |
| Cr Radial Dynamic [lbf] | 5125440 |
| C0r Radial Static [lbf] | 13937600 |
The 166FC108710 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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