Detailed description
Rolling mill bearing FC6890250A2 four-row cylindrical roller bearing
| Boundary dimensions(mm) | Basic load ratings (kN) | Speed rating | Designation | ||||||
| (rpm) | |||||||||
| d | D | B | Fw | rmin | Cr | Cor | Grease | Oil | |
| 340 | 450 | 250 | 366 | 4 | 2260 | 6640 | 800 | 1000 | FC6890250A2 |
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 stabilizes the bearing size;
4. P6 precision grade;
5. 100% detection for flaw before delivery.
More sizes available for ESG Four-row cylindrical roller bearings:
Inner diameter (d) : from 100mm to 420mm;
outer diameter (D): from 135mm to 600mm;
width (B): from 80mm to 440mm;
Fw from 110mm to 470mm.













