BC2B322340/HB1VJ202 Four-row Cylindrical Roller Bearing For Rolling Mills, Machined Brass Cage
The BC2B322340/HB1VJ202 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 BC2B322340/HB1VJ202 bearing is a Four-row cylindrical roller bearing for rolling mills with an inner diameter of 170 mm , an outer diameter of 230 mm, a width of 160 mm. GCr15, ZGCr15, GCr15SiMn, 20Cr2Ni4A rings, GCr15, ZGCr15, GCr15SiMn, 20Cr2Ni4A rolling mlement. Its dynamic radial rated load is approximately 1367538 N, its static radial rated load is approximately 2359348 N. It uses C4 standard radial clearance, Open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
BC2B322340/HB1VJ202 bearings ( 170 mm x 230 mm x 160 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 | BC2B322340/HB1VJ202 |
| Interchangeable | SKF BC2B322340/HB1VJ202 |
| Bearing Type | Four-row cylindrical roller bearing for rolling mills |
| Cage | Machined brass cage |
| Radial internal clearance | C4 |
| Seal | Open |
| Bore Type | Cylindrical bore |
| Design variant | BC4.7/W33 |
| Series | BC2B3223../HB1VJ202 |
| Coating | No |
| Units | Metric |
| Weight [lb] | 40.344 |
| Equivalent | 567622 , BC4-0118 |
| Lubricant | No |
| Bearing part | Complete |
| Ring | outer ring(5),inner ring(0) |
| Flange | No |
| Separable bearing ring | LBC4-0118 |
| Bearing ring with roller and cage assembly | RBC4-0118 |
| Relubrication | With |
| Heat stabilized | 150 °C(300 °F) |
| Cr Radial Dynamic [lbf] | 307422 |
| C0r Radial Static [lbf] | 530381 |
| Pu Fatigue load limit [lbf] | 56764 |
| nB Speed ratings (grease) [rpm] | 1982 |
| nG Speed ratings (oil) [rpm] | 2989 |
| Dimension | |
| d φ Inside [inch] | 6.693 |
| D Φ Outside [inch] | 9.055 |
| B Inner Width [inch] | 6.299 |
| C Outer Width [inch] | 6.299 |
| D1 [inch] | 8.327 |
| F [inch] | 7.303 |
| r1, r2(min.) [mm] | 2 |
| r3, r4(min.) [mm] | 2 |
| b angular groove [inch] | 0.236 |
| K lubrication hole [inch] | 0.138 |
| s Permissible axial displacement [inch] | 0.079 |
The BC2B322340/HB1VJ202 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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