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 | 460 mm | Bore diameter |
|---|---|---|
| D | 830 mm | Outside diameter |
| B | 165 mm | Width |
| D1 | ≈ 715 mm | Shoulder diameter of outer ring |
| F | 554 mm | Raceway diameter of inner ring |
| r1,2 | min. 7.5 mm | Chamfer dimension |
| s | max. 6.4 mm | Permissible axial displacement |
| da | min. 492 mm | Diameter of spacer sleeve |
|---|---|---|
| da | max. 542 mm | Diameter of spacer sleeve |
| db | min. 559 mm | Diameter of shaft abutment |
| Da | max. 798 mm | Diameter of housing abutment |
| ra | max. 6 mm | Radius of fillet |
| Basic dynamic load rating | C | 4 180 kN |
|---|---|---|
| Basic static load rating | C0 | 6 800 kN |
| Fatigue load limit | Pu | 510 kN |
| Reference speed | 750 r/min | |
| Limiting speed | 1 100 r/min | |
| Minimum load factor | kr | 0.13 |
| Limiting value | e | 0.2 |
| Calculation factor | Y | 0.6 |
General bearing specifications
Bearing interfaces
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