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 | 710 mm | Bore diameter |
|---|---|---|
| D | 1 030 mm | Outside diameter |
| B | 140 mm | Width |
| D1 | ≈ 939 mm | Shoulder diameter of outer ring |
| F | 778 mm | Raceway diameter of inner ring |
| r1,2 | min. 7.5 mm | Chamfer dimension |
| s | max. 17 mm | Permissible axial displacement |
| da | min. 738 mm | Diameter of spacer sleeve |
|---|---|---|
| da | max. 769 mm | Diameter of spacer sleeve |
| db | min. 783 mm | Diameter of shaft abutment |
| Da | max. 1 002 mm | Diameter of housing abutment |
| ra | max. 6 mm | Radius of fillet |
| Basic dynamic load rating | C | 4 680 kN |
|---|---|---|
| Basic static load rating | C0 | 8 500 kN |
| Fatigue load limit | Pu | 570 kN |
| Reference speed | 560 r/min | |
| Limiting speed | 750 r/min | |
| Minimum load factor | kr | 0.15 |
| Limiting value | e | 0.2 |
| Calculation factor | Y | 0 |
General bearing specifications
Bearing interfaces
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