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 | 150 mm | Bore diameter |
|---|---|---|
| D | 225 mm | Outside diameter |
| B | 35 mm | Width |
| D1 | ≈ 198.13 mm | Shoulder diameter of outer ring |
| F | 169.5 mm | Raceway diameter of inner ring |
| r1,2 | min. 2.1 mm | Chamfer dimension |
| r3,4 | min. 1.5 mm | Chamfer dimension |
| s | max. 4.9 mm | Permissible axial displacement |
| da | min. 158 mm | Diameter of spacer sleeve |
|---|---|---|
| da | max. 167 mm | Diameter of spacer sleeve |
| db | min. 173 mm | Diameter of shaft abutment |
| Da | max. 215 mm | Diameter of housing abutment |
| ra | max. 2 mm | Radius of fillet |
| rb | max. 1.5 mm | Radius of fillet |
| AKMI performance class | AKMI Explorer | |
| Basic dynamic load rating | C | 220 kN |
| Basic static load rating | C0 | 275 kN |
| Fatigue load limit | Pu | 30 kN |
| Reference speed | 3 200 r/min | |
| Limiting speed | 3 200 r/min | |
| Minimum load factor | kr | 0.1 |
| Limiting value | e | 0.2 |
| Calculation factor | Y | 0.6 |
General bearing specifications
Bearing interfaces
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