313221
Single row cylindrical roller bearing, NU designSingle 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.
- High radial load carrying capacity
- Low friction
- Long service life
- Accommodate axial displacement in both directions
- Separable design
Description
Dimensions
| d | 240 mm | Bore diameter |
|---|---|---|
| D | 440 mm | Outside diameter |
| B | 120 mm | Width |
| D1 | ≈ 366 mm | Shoulder diameter of outer ring |
| F | 292 mm | Raceway diameter of inner ring |
| r1,2 | min. 4 mm | Chamfer dimension |
| s | max. 11.3 mm | Permissible axial displacement |
Abutment dimensions
| da | min. 257 mm | Diameter of spacer sleeve |
|---|---|---|
| da | max. 286 mm | Diameter of spacer sleeve |
| db | min. 296 mm | Diameter of shaft abutment |
| Da | max. 423 mm | Diameter of housing abutment |
| ra | max. 3 mm | Radius of fillet |
Calculation data
| Basic dynamic load rating | C | 1 570 kN |
|---|---|---|
| Basic static load rating | C0 | 2 500 kN |
| Fatigue load limit | Pu | 232 kN |
| Reference speed | 1 500 r/min | |
| Limiting speed | 1 700 r/min | |
| Minimum load factor | kr | 0.22 |
| Limiting value | e | 0.3 |
| Calculation factor | Y | 0 |
Mass
| Mass | 82.2 kg |
Tolerances and clearances
Bearing interfaces
