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 integral flange and one loose flange ring on the inner ring, NUP design bearings can locate the shaft axially 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 |
140 mm
|
Bore diameter |
|---|---|---|
| D |
300 mm
|
Outside diameter |
| B |
102 mm
|
Width |
| d1 |
≈ 195 mm
|
Shoulder diameter of inner ring |
| D1 |
≈ 251.7 mm
|
Shoulder diameter of outer ring |
| F |
180 mm
|
Raceway diameter of inner ring |
| r1,2 |
min. 4 mm
|
Chamfer dimension |
| r3,4 |
min. 4 mm
|
Chamfer dimension of loose flange ring |
| da |
min. 157 mm
|
Diameter of spacer sleeve |
|---|---|---|
| db |
min. 199 mm
|
Diameter of shaft abutment |
| Da |
max. 282.5 mm
|
Diameter of housing abutment |
| ra |
max. 3 mm
|
Radius of fillet |
| Basic dynamic load rating | C |
1 200 kN
|
|---|---|---|
| Basic static load rating | C0 |
1 430 kN
|
| Fatigue load limit | Pu |
150 kN
|
| Reference speed |
2 400 r/min
|
|
| Limiting speed |
4 300 r/min
|
|
| Minimum load factor | kr |
0.38
|
| Limiting value | e |
0.3
|
| Calculation factor | Y |
0.4
|
| Mass |
37.1 kg
|
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