502894A bearings ( 160 mm x 230 mm x 130 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 | 502894A |
| Interchangeable | FAG 502894A |
| Cage | machined brass solid cages |
| Radial internal clearance | C3 |
| Seal | Open |
| Bearing Type | Four-row cylindrical roller bearing for cold rolling mill, hot rolling mill, billet mill |
| Equivalent | FC3246130/YA3 (China) 314190 (SKF) 502894A (FAG) 4R3226 (NTN) 314190 (KOYO) |
| Bearing Weight [lb] | 37.478 |
| d φ Inside [inch] | 6.299 |
| D Φ Outside [inch] | 9.055 |
| B Width [inch] | 5.118 |
| F Raceway diameter inner ring [inch] | 7.087 |
| C [inch] | 5.118 |
| r1,2 min Chamfer inner ring | 2.1 mm |
| r3,4 min Chamfer outer ring | 2.1 mm |
| Cr Radial Dynamic [lbf] | 175568 |
| C0r Radial Static [lbf] | 301232 |
The 502894A 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.















