Four-row cylindrical roller bearings are designed to accommodate very heavy radial loads in combination with medium to high speeds. The AKMI 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 | BC4.9/W33WI |
| Bore type | Cylindrical |
| d | 529.91 mm | Bore diameter |
|---|---|---|
| D | 870 mm | Outside diameter |
| B | 670 mm | Total bearing width over inner ring(s) |
| C | 670 mm | Total bearing width over outer ring(s) |
| D1 | ≈ 751 mm | Outer ring shoulder diameter |
| F | 615 mm | Raceway diameter inner ring |
| b | 22.3 mm | Width of annular groove |
| K | 12 mm | Diameter lubrication hole (outer ring) |
| r1,2 | min. 7.5 mm | Corner radius/chamfer inner ring |
| r3,4 | min. 7.5 mm | Chamfer dimension on the outer ring |
| Basic dynamic load rating | C | 16 800 kN |
|---|---|---|
| Basic static load rating | C0 | 33 500 kN |
| Fatigue load limit | Pu | 2 450 kN |
| Calculation factor | kr | 680 |
General bearing specifications
Bearing interfaces
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