Single row cylindrical roller bearings are designed to accommodate high radial loads in combination with high speeds. The tapered bore enables the bearings to be mounted on a tapered shaft seat or on a cylindrical shaft seat using an adapter or withdrawal sleeve. 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 | 1 060 mm | Bore diameter |
|---|---|---|
| D | 1 400 mm | Outside diameter |
| B | 250 mm | Width |
| D1 | ≈ 1 298 mm | Shoulder diameter of outer ring |
| F | 1 146 mm | Raceway diameter of inner ring |
| r1,2 | min. 7.5 mm | Chamfer dimension |
| s | max. 17.5 mm | Permissible axial displacement |
| da | min. 1 028 mm | Diameter of spacer sleeve |
|---|---|---|
| da | max. 1 140 mm | Diameter of spacer sleeve |
| Da | max. 1 372 mm | Diameter of housing abutment |
| ra | max. 6 mm | Radius of fillet |
| Basic dynamic load rating | C | 9 130 kN |
|---|---|---|
| Basic static load rating | C0 | 24 000 kN |
| Fatigue load limit | Pu | 1 460 kN |
| Reference speed | 280 r/min | |
| Limiting speed | 340 r/min | |
| Minimum load factor | kr | 0.12 |
| Limiting value | e | 0 |
| Calculation factor | Y | 0 |
General bearing specifications
Bearing interfaces
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