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 | 240 mm | Bore diameter |
|---|---|---|
| D | 440 mm | Outside diameter |
| B | 72 mm | Width |
| D1 | ≈ 365 mm | Shoulder diameter of outer ring |
| F | 295 mm | Raceway diameter of inner ring |
| r1,2 | min. 4 mm | Chamfer dimension |
| r3,4 | min. 4 mm | Chamfer dimension |
| s | max. 3.4 mm | Permissible axial displacement |
| da | min. 257 mm | Diameter of spacer sleeve |
|---|---|---|
| da | max. 288 mm | Diameter of spacer sleeve |
| db | min. 299 mm | Diameter of shaft abutment |
| Da | max. 423 mm | Diameter of housing abutment |
| ra | max. 3 mm | Radius of fillet |
| rb | max. 3 mm | Radius of fillet |
| Basic dynamic load rating | C | 952 kN |
|---|---|---|
| Basic static load rating | C0 | 1 370 kN |
| Fatigue load limit | Pu | 129 kN |
| Reference speed | 1 600 r/min | |
| Limiting speed | 2 200 r/min | |
| Minimum load factor | kr | 0.23 |
| Limiting value | e | 0.2 |
| Calculation factor | Y | 0.6 |
General bearing specifications
Bearing interfaces
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