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 |
BC4.3/W33
|
| Bore type |
Cylindrical
|
| d |
500 mm
|
Bore diameter |
|---|---|---|
| D |
720 mm
|
Outside diameter |
| B |
400 mm
|
Total bearing width over inner ring(s) |
| C |
400 mm
|
Total bearing width over outer ring(s) |
| D1 |
≈ 656 mm
|
Bore diameter loose flange ring |
| F |
558 mm
|
Raceway diameter inner ring |
| b |
22.3 mm
|
Width of annular groove |
| K |
22.3 mm
|
Diameter lubrication hole (outer ring) |
| r1,2 |
min. 4 mm
|
Corner radius/chamfer inner ring |
| r3,4 |
min. 1.5 mm
|
Chamfer dimension on the outer ring |
| Basic dynamic load rating | C |
8 580 kN
|
|---|---|---|
| Basic static load rating | C0 |
17 600 kN
|
| Fatigue load limit | Pu |
1 320 kN
|
| Calculation factor | kr |
460
|
| Mass bearing |
544 kg
|
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