Detailed description
Four-row cylindrical bearings are almost exclusive to metals industry and carry heavy radial loads in steel, aluminum and other metal rolling mills.
Design Attributes
Design offers very high radial load capacity. No thrust capacity.
Straight and tapered bores available.
Inner races are interchangeable with outer assemblies.
507344/314385 – four row cylindrical roller bearings 507344/314385 details as bellow:
d: 200 mm
D: 280 mm
B: 170 mm
m: 33.4 kg Mass
Cr: 1630 KN Basic dynamic load rating, radial
C0r: 2900 KN Basic static load rating, radial
THKF products designation:
| Model | Boundary Dimension(mm) | Loading | Limiting Speed | Weight | ||||||
| (KN) | (r/min) | (kg) | ||||||||
| THKF | d | D | B | FW | r | Cr | Co | Grease | Oil | |
| FC4868192 | 240 | 340 | 192 | 269 | 2.1 | 1499 | 3868 | 1200 | 1500 | 58 |
| FC4872220 | 240 | 360 | 220 | 272 | 2.1 | 1985 | 4634 | 1200 | 1500 | 80.4 |
| FC5070100 | 250 | 350 | 170 | 274 | 3 | 1600 | 4200 | 1200 | 1500 | |
| FC5070220 | 250 | 350 | 220 | 278 | 3 | 1805 | 4706 | 1200 | 1500 | 66.8 |
| FC5072220 | 250 | 360 | 220 | 282 | 3 | 1952 | 4661 | 1100 | 1400 | 78 |
| FC5272192 | 260 | 360 | 192 | 288 | 3 | 1608 | 4092 | 1100 | 1400 | 63.3 |
| FC5272200 | 260 | 360 | 200 | 288 | 3 | 1684 | 4342 | 1100 | 1400 | 65.1 |
| FC5274200 | 260 | 370 | 200 | 292 | 3 | 1768 | 4513 | 1100 | 1400 | 74.6 |
| FC5274220 | 260 | 370 | 220 | 292 | 3 | 1933 | 4922 | 1100 | 1400 | 77.3 |
| FC5276220 | 260 | 380 | 220 | 292 | 3 | 1516 | 4513 | 1100 | 1400 | 80.3 |
| FC5276280 | 260 | 380 | 280 | 294 | 3 | 1960 | 5710 | 1060 | 1300 | 90.6 |
| FC5280200 | 260 | 400 | 200 | 296 | 4 | 1795 | 4051 | 1020 | 1250 | 95.6 |
| FCD5280290 | 260 | 400 | 290 | 296 | 4 | 2780 | 7100 | 1020 | 1250 | |









