Spherical roller bearings can accommodate heavy loads in both directions. They are self-aligning and accommodate misalignment and shaft deflections, with virtually no increase in friction or temperature. Under normal operating conditions, sealed bearings are almost maintenance-free, keeping service costs and grease consumption low. The design includes features to facilitate relubrication.
| SKF performance class |
SKF Explorer
|
| Bore type |
Cylindrical
|
| d |
30 mm
|
Bore diameter |
|---|---|---|
| D |
62 mm
|
Outside diameter |
| B |
25 mm
|
Width |
| d2 |
≈ 35.8 mm
|
Shoulder diameter of inner ring |
| D1 |
≈ 56.4 mm
|
Shoulder/recess diameter of outer ring |
| b |
4.4 mm
|
Width of lubrication groove |
| K |
2 mm
|
Diameter of lubrication hole |
| r1,2 |
min. 1 mm
|
Chamfer dimension |
| da |
min. 35.3 mm
|
Diameter of shaft abutment |
|---|---|---|
| da |
max. 35.5 mm
|
Diameter of shaft abutment |
| Da |
max. 56.4 mm
|
Diameter of housing abutment |
| ra |
max. 1 mm
|
Radius of fillet |
| Basic dynamic load rating | C |
66.1 kN
|
|---|---|---|
| Basic static load rating | C0 |
58.5 kN
|
| Fatigue load limit | Pu |
6.4 kN
|
| Limiting speed |
5 200 r/min
|
|
| Limiting value | e |
0.31
|
| Calculation factor | Y1 |
2.2
|
| Calculation factor | Y2 |
3.3
|
| Calculation factor | Y0 |
2.2
|
| Mass |
0.34 kg
|
| Dimensional tolerances |
Normal
|
| Radial run-out |
P5
|
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