Single row cylindrical roller bearings are designed to accommodate high radial loads in combination with high speeds. Having two integral flanges on the outer ring and no flanges on the inner ring, NU design bearings can accommodate axial displacement in both directions. An important feature is the separable design, which facilitates mounting and enables the bearing components to be interchanged.
| d | 670 mm | Bore diameter |
|---|---|---|
| D | 980 mm | Outside diameter |
| B | 180 mm | Width |
| D1 | ≈ 890 mm | Shoulder diameter of outer ring |
| F | 746 mm | Raceway diameter of inner ring |
| r1,2 | min. 7.5 mm | Chamfer dimension |
| s | max. 7 mm | Permissible axial displacement |
| da | min. 698 mm | Diameter of spacer sleeve |
|---|---|---|
| da | max. 736 mm | Diameter of spacer sleeve |
| db | min. 752 mm | Diameter of shaft abutment |
| Da | max. 952 mm | Diameter of housing abutment |
| ra | max. 6 mm | Radius of fillet |
| Basic dynamic load rating | C | 5 390 kN |
|---|---|---|
| Basic static load rating | C0 | 11 000 kN |
| Fatigue load limit | Pu | 750 kN |
| Reference speed | 500 r/min | |
| Limiting speed | 800 r/min | |
| Minimum load factor | kr | 0.14 |
| Limiting value | e | 0.3 |
| Calculation factor | Y | 0.4 |
General bearing specifications
Bearing interfaces
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