Detailed description
Rolling mill bearing--four-row cylindrical roller bearing FC5678220A, high quality & low price!
| Boundary dimensions(mm) | Basic load ratings (kN) | Speed rating | Designation | ||||||
| (rpm) | |||||||||
| d | D | B | Fw | rmin | Cr | Cor | Grease | Oil | |
| 280 | 390 | 220 | 308 | 3 | 2180 | 4670 | 1000 | 1300 | FC5678220A |
Quality advantages:
1. good quality bearing steel;
2. advanced heat treatment technique to enable high and even hardness and toughness;
3. high temperature back-fire to stabilize the bearing size;
4. P6 precision grade;
5. 100% detection for flaw before delivery.









