FC3852168 bearings ( 190 mm x 260 mm x 168 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 | FC3852168 |
| Interchangeable | XLB FC3852168 |
| 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 | BC4.1/WO |
| Series | FC385.. |
| Coating | No |
| Units | Metric |
| Weight [lb] | 58.863 |
| Equivalent | 507735 , FC3852168 , BC4-0098 |
| Lubricant | No |
| Bearing part | Complete |
| Ring | outer ring(5),inner ring(0) |
| Flange | No |
| Separable bearing ring | LBC4-0098 |
| Bearing ring with roller and cage assembly | RBC4-0098 |
| Relubrication | No |
| Heat stabilized | 150 °C(300 °F) |
| Cr Radial Dynamic [lbf] | 321040 |
| C0r Radial Static [lbf] | 584133 |
| Pu Fatigue load limit [lbf] | 60363 |
| nB Speed ratings (grease) [rpm] | 1786 |
| nG Speed ratings (oil) [rpm] | 2595 |
| Dimension | |
| d φ Inside [inch] | 7.480 |
| D Φ Outside [inch] | 10.236 |
| B Inner Width [inch] | 6.614 |
| C Outer Width [inch] | 6.614 |
| D1 [inch] | 9.331 |
| F [inch] | 8.346 |
| r1, r2(min.) [mm] | 2 |
| r3, r4(min.) [mm] | 2 |
| s Permissible axial displacement [inch] | 0.118 |
The FC3852168 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.















