Spherical roller thrust bearings accommodate very heavy axial and considerable radial loads. They have the highest load rating of all thrust bearings, enabling compact, high power density bearing arrangements. By combining two or more spherical roller thrust bearings, it is possible to create a bearing arrangement that is either self-aligning, allowing misalignment of the shaft, or very stiff.
| d | 630 mm | Bore diameter |
|---|---|---|
| D | 850 mm | Outside diameter |
| H | 132 mm | Height |
| d1 | ≈ 810 mm | Outside diameter of shaft washer end side face |
| D1 | ≈ 723 mm | Shoulder diameter outer ring |
| B | 50 mm | Width shaft washer or length of shaft washer bore diameter that fits on shaft (bearings with a machined cage) |
| B1 | 127 mm | Height shaft washer + cage |
| C | 62 mm | Height housing washer |
| s | 338 mm | Distance from shaft washer end side face to pressure point |
| r1,2 | min. 6 mm | Chamfer dimension shaft washer |
| da | min. 740 mm | Diameter of shaft abutment |
|---|---|---|
| Da | max. 780 mm | Diameter of housing abutment |
| ra | max. 5 mm | Fillet radius |
| Basic dynamic load rating | C | 4 770 kN |
|---|---|---|
| Basic static load rating | C0 | 23 600 kN |
| Fatigue load limit | Pu | 1 800 kN |
| Reference speed | 400 r/min | |
| Limiting speed | 670 r/min | |
| Minimum axial load factor | A | 53 |
General bearing specifications
Bearing interfaces
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