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 one on the inner ring, NJ design bearings can accommodate axial displacement in one direction. An important feature is the separable design, which facilitates mounting and enables the bearing components to be interchanged.
| SKF performance class |
SKF Explorer
|
| d |
160 mm
|
Bore diameter |
|---|---|---|
| D |
290 mm
|
Outside diameter |
| B |
48 mm
|
Width |
| d1 |
≈ 206 mm
|
Shoulder diameter of inner ring |
| D1 |
≈ 248.8 mm
|
Shoulder diameter of outer ring |
| F |
195 mm
|
Raceway diameter of inner ring |
| r1,2 |
min. 3 mm
|
Chamfer dimension |
| r3,4 |
min. 3 mm
|
Chamfer dimension |
| s |
max. 2.7 mm
|
Permissible axial displacement |
| da |
min. 175 mm
|
Diameter of spacer sleeve |
|---|---|---|
| da |
max. 191 mm
|
Diameter of spacer sleeve |
| db |
min. 210 mm
|
Diameter of shaft abutment |
| Da |
max. 274.2 mm
|
Diameter of housing abutment |
| ra |
max. 2.5 mm
|
Radius of fillet |
| Basic dynamic load rating | C |
585 kN
|
|---|---|---|
| Basic static load rating | C0 |
680 kN
|
| Fatigue load limit | Pu |
72 kN
|
| Reference speed |
2 400 r/min
|
|
| Limiting speed |
2 600 r/min
|
|
| Minimum load factor | kr |
0.15
|
| Limiting value | e |
0.2
|
| Calculation factor | Y |
0.6
|
| Mass |
14.5 kg
|
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