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 | 170 mm | Bore diameter |
|---|---|---|
| D | 310 mm | Outside diameter |
| B | 86 mm | Width |
| D1 | ≈ 269.9 mm | Shoulder diameter of outer ring |
| F | 205 mm | Raceway diameter of inner ring |
| r1,2 | min. 4 mm | Chamfer dimension |
| r3,4 | min. 4 mm | Chamfer dimension |
| s | max. 4.2 mm | Permissible axial displacement |
| da | min. 187 mm | Diameter of spacer sleeve |
|---|---|---|
| da | max. 201 mm | Diameter of spacer sleeve |
| db | min. 208 mm | Diameter of shaft abutment |
| Da | max. 292.4 mm | Diameter of housing abutment |
| ra | max. 3 mm | Radius of fillet |
| rb | max. 3 mm | Radius of fillet |
| AKMI performance class | AKMI Explorer | |
| Basic dynamic load rating | C | 1 060 kN |
| Basic static load rating | C0 | 1 340 kN |
| Fatigue load limit | Pu | 140 kN |
| Reference speed | 2 200 r/min | |
| Limiting speed | 3 800 r/min | |
| Minimum load factor | kr | 0.3 |
| Limiting value | e | 0.3 |
| Calculation factor | Y | 0.4 |
| Angle ring | HJ 2234 EC |
General bearing specifications
Bearing interfaces
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