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 |
190 mm
|
Bore diameter |
|---|---|---|
| D |
340 mm
|
Outside diameter |
| B |
55 mm
|
Width |
| d1 |
≈ 244 mm
|
Shoulder diameter of inner ring |
| D1 |
≈ 295 mm
|
Shoulder diameter of outer ring |
| F |
230 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. 207 mm
|
Diameter of spacer sleeve |
|---|---|---|
| db |
min. 248 mm
|
Diameter of shaft abutment |
| Da |
max. 321.9 mm
|
Diameter of housing abutment |
| ra |
max. 3 mm
|
Radius of fillet |
| Basic dynamic load rating | C |
800 kN
|
|---|---|---|
| Basic static load rating | C0 |
965 kN
|
| Fatigue load limit | Pu |
98 kN
|
| Reference speed |
2 000 r/min
|
|
| Limiting speed |
3 400 r/min
|
|
| Minimum load factor | kr |
0.23
|
| Limiting value | e |
0.2
|
| Calculation factor | Y |
0.6
|
| Mass |
22.6 kg
|
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