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 |
260 mm
|
Bore diameter |
|---|---|---|
| D |
440 mm
|
Outside diameter |
| B |
144 mm
|
Width |
| D1 |
≈ 382 mm
|
Shoulder diameter of outer ring |
| F |
298.5 mm
|
Raceway diameter of inner ring |
| r1,2 |
min. 4 mm
|
Chamfer dimension |
| s |
max. 8 mm
|
Permissible axial displacement |
| da |
min. 277 mm
|
Diameter of spacer sleeve |
|---|---|---|
| da |
max. 295 mm
|
Diameter of spacer sleeve |
| db |
min. 302 mm
|
Diameter of shaft abutment |
| Da |
max. 423 mm
|
Diameter of housing abutment |
| ra |
max. 3 mm
|
Radius of fillet |
| Basic dynamic load rating | C |
2 090 kN
|
|---|---|---|
| Basic static load rating | C0 |
3 450 kN
|
| Fatigue load limit | Pu |
310 kN
|
| Reference speed |
1 300 r/min
|
|
| Limiting speed |
2 200 r/min
|
|
| Minimum load factor | kr |
0.27
|
| Limiting value | e |
0.3
|
| Calculation factor | Y |
0.4
|
| Mass |
98 kg
|
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