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.
| SKF performance class |
SKF Explorer
|
| d |
260 mm
|
Bore diameter |
|---|---|---|
| D |
400 mm
|
Outside diameter |
| B |
65 mm
|
Width |
| D1 |
≈ 351.55 mm
|
Shoulder diameter of outer ring |
| F |
296 mm
|
Raceway diameter of inner ring |
| r1,2 |
min. 4 mm
|
Chamfer dimension |
| r3,4 |
min. 4 mm
|
Chamfer dimension |
| s |
max. 8 mm
|
Permissible axial displacement |
| da |
min. 275 mm
|
Diameter of spacer sleeve |
|---|---|---|
| da |
max. 292 mm
|
Diameter of spacer sleeve |
| db |
min. 300 mm
|
Diameter of shaft abutment |
| Da |
max. 385 mm
|
Diameter of housing abutment |
| ra |
max. 3 mm
|
Radius of fillet |
| rb |
max. 3 mm
|
Radius of fillet |
| Basic dynamic load rating | C |
720 kN
|
|---|---|---|
| Basic static load rating | C0 |
965 kN
|
| Fatigue load limit | Pu |
96.5 kN
|
| Reference speed |
1 800 r/min
|
|
| Limiting speed |
1 800 r/min
|
|
| Minimum load factor | kr |
0.1
|
| Limiting value | e |
0.2
|
| Calculation factor | Y |
0.6
|
| Mass |
29.3 kg
|
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