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 |
BC4T.4/W20
|
| Bore type |
Tapered 1:12
|
| d |
633.334 mm
|
Bore diameter |
|---|---|---|
| D |
960 mm
|
Outside diameter |
| B |
680 mm
|
Total bearing width over inner ring(s) |
| C |
680 mm
|
Total bearing width over outer ring(s) |
| D1 |
≈ 845.5 mm
|
Bore diameter loose flange ring |
| F |
745.73 mm
|
Raceway diameter inner ring |
| K |
20 mm
|
Diameter lubrication hole (outer ring) |
| r1,2 |
min. 4 mm
|
Corner radius/chamfer inner ring |
| r3,4 |
min. 6.4 mm
|
Chamfer dimension on the outer ring |
| Basic dynamic load rating | C |
16 800 kN
|
|---|---|---|
| Basic static load rating | C0 |
45 000 kN
|
| Fatigue load limit | Pu |
3 150 kN
|
| Calculation factor | kr |
680
|
| Mass bearing |
1 730 kg
|
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