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 |
280 mm
|
Bore diameter |
|---|---|---|
| D |
500 mm
|
Outside diameter |
| B |
80 mm
|
Width |
| D1 |
≈ 417 mm
|
Shoulder diameter of outer ring |
| F |
340 mm
|
Raceway diameter of inner ring |
| r1,2 |
min. 5 mm
|
Chamfer dimension |
| s |
max. 3.8 mm
|
Permissible axial displacement |
| da |
min. 300 mm
|
Diameter of spacer sleeve |
|---|---|---|
| da |
max. 333 mm
|
Diameter of spacer sleeve |
| db |
min. 344 mm
|
Diameter of shaft abutment |
| Da |
max. 480 mm
|
Diameter of housing abutment |
| ra |
max. 4 mm
|
Radius of fillet |
| ra |
max. 4 mm
|
Radius of fillet |
| rb |
max. 4 mm
|
Radius of fillet |
| Basic dynamic load rating | C |
1 190 kN
|
|---|---|---|
| Basic static load rating | C0 |
1 800 kN
|
| Fatigue load limit | Pu |
156 kN
|
| Reference speed |
1 400 r/min
|
|
| Limiting speed |
1 500 r/min
|
|
| Minimum load factor | kr |
0.15
|
| Limiting value | e |
0.2
|
| Calculation factor | Y |
0.6
|
| Mass |
71.5 kg
|
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