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 annular groove in the outer ring enables the bearings to retain a snap ring. An important feature is the separable design, which facilitates mounting and enables the bearing components to be interchanged.
| SKF performance class |
SKF Explorer
|
| d |
45 mm
|
Bore diameter |
|---|---|---|
| D |
100 mm
|
Outside diameter |
| B |
25 mm
|
Width |
| d1 |
≈ 64.4 mm
|
Shoulder diameter of inner ring |
| D1 |
≈ 83.2 mm
|
Shoulder diameter of outer ring |
| D3 |
96.8 mm
|
Diameter of snap ring groove |
| F |
58.5 mm
|
Raceway diameter of inner ring |
| C2 |
3.28 mm
|
Distance from outer ring side face to snap ring groove |
| b |
2.7 mm
|
Width of snap ring groove |
| r1,2 |
min. 1.5 mm
|
Chamfer dimension |
| r3,4 |
min. 1.5 mm
|
Chamfer dimension of loose flange ring |
| da |
min. 54 mm
|
Diameter of spacer sleeve |
|---|---|---|
| db |
min. 67 mm
|
Diameter of shaft abutment |
| Da |
max. 91.4 mm
|
Diameter of housing abutment |
| ra |
max. 1.5 mm
|
Radius of fillet |
| Basic dynamic load rating | C |
112 kN
|
|---|---|---|
| Basic static load rating | C0 |
100 kN
|
| Fatigue load limit | Pu |
12.9 kN
|
| Reference speed |
7 500 r/min
|
|
| Limiting speed |
8 500 r/min
|
|
| Minimum load factor | kr |
0.15
|
| Limiting value | e |
0.2
|
| Calculation factor | Y |
0.6
|
| Mass |
0.9 kg
|
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