316899A Four-row Cylindrical Roller Bearing For Rolling Mills, Stamping Steel Cage
The 316899A 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 316899A bearing is a Four-row cylindrical roller bearing for rolling mills with an inner diameter of 440 mm , an outer diameter of 650 mm, a width of 355 mm. GCr15, ZGCr15, GCr15SiMn, 20Cr2Ni4A rings, GCr15, ZGCr15, GCr15SiMn, 20Cr2Ni4A rolling mlement. Its dynamic radial rated load is approximately 6707924 N, its static radial rated load is approximately 13997727 N. Open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
Interchange code: FCD88130355 (China), 316899A (SKF)
316899A bearings ( 440 mm x 650 mm x 355 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 | 316899A |
| Interchangeable | SKF 316899A |
| Bearing Type | Four-row cylindrical roller bearing for rolling mills |
| Cage | Stamping steel cage |
| Seal | Open |
| Bore Type | Cylindrical bore |
| Design variant | E.6/WI |
| Series | 3168..A |
| Coating | No |
| Units | Metric |
| Weight [lb] | 925.932 |
| Bearing part | Complete |
| Heat stabilized | 150 °C(300 °F) |
| Cr Radial Dynamic [lbf] | 1507941 |
| C0r Radial Static [lbf] | 3146689 |
| Pu Fatigue load limit [lbf] | 242563 |
| Dimension | |
| d φ Inside [inch] | 17.323 |
| D Φ Outside [inch] | 25.591 |
| B Inner Width [inch] | 13.976 |
| C Outer Width [inch] | 13.976 |
| D1 [inch] | 22.992 |
| F [inch] | 19.449 |
| r1, r2(min.) [mm] | 12.5x20° |
| r3, r4(min.) [mm] | 4 |
| b angular groove [inch] | 0.437 |
| K lubrication hole [inch] | 0.236 |
| kr Calculation coefficient | 0.46 |
The 316899A 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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