Four-row cylindrical roller bearings are designed to accommodate very heavy radial loads in combination with medium to high speeds. The SKF assortment includes many designs and variants, such as bearings with a cage and full complement bearings. Depending on the configuration of the outer and inner rings, the bearings are available in locating as well as non-locating designs.
| Design variant/feature |
BC4.7/W33WI
|
| Bore type |
Cylindrical
|
| d |
510 mm
|
Bore diameter |
|---|---|---|
| D |
730 mm
|
Outside diameter |
| B |
520 mm
|
Total bearing width over inner ring(s) |
| C |
520 mm
|
Total bearing width over outer ring(s) |
| D1 |
≈ 665.3 mm
|
Outer ring shoulder diameter |
| F |
569 mm
|
Raceway diameter inner ring |
| b |
16.7 mm
|
Width of annular groove |
| K |
9 mm
|
Diameter lubrication hole (outer ring) |
| r1,2 |
min. 17.5 mm
|
Corner radius/chamfer inner ring |
| α |
20 °
|
Chamfer angle inner ring |
| r3,4 |
min. 6 mm
|
Chamfer dimension on the outer ring |
| Basic dynamic load rating | C |
10 200 kN
|
|---|---|---|
| Basic static load rating | C0 |
22 000 kN
|
| Fatigue load limit | Pu |
1 660 kN
|
| Calculation factor | kr |
560
|
| Mass bearing |
684 kg
|
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