Double row angular contact ball bearings correspond, in their design and operation, to a pair of single row angular contact ball bearings in a back-to-back arrangement, while requiring less axial space. They can operate at high speeds and are more suitable than deep groove ball bearings for supporting large axial forces in both directions.
| SKF performance class |
SKF Explorer
|
| d |
25 mm
|
Bore diameter |
|---|---|---|
| D |
62 mm
|
Outside diameter |
| B |
25.4 mm
|
Width |
| d2 |
≈ 35.7 mm
|
Recess diameter inner ring shoulder |
| D2 |
≈ 53.4 mm
|
Recess diameter outer ring shoulder |
| r1,2 |
min. 1.1 mm
|
Chamfer dimension inner ring |
| a |
36 mm
|
Distance pressure point(s) |
| da |
min. 32 mm
|
Abutment diameter shaft |
|---|---|---|
| Da |
max. 55 mm
|
Abutment diameter housing |
| ra |
max. 1 mm
|
Fillet radius |
| Basic dynamic load rating | C |
32.5 kN
|
|---|---|---|
| Basic static load rating | C0 |
22 kN
|
| Fatigue load limit | Pu |
0.93 kN
|
| Reference speed |
11 000 r/min
|
|
| Limiting speed |
11 000 r/min
|
|
| Calculation factor | kr |
0.07
|
| Limiting value | e |
0.8
|
| Calculation factor | X |
0.63
|
| Calculation factor | Y0 |
0.66
|
| Calculation factor | Y1 |
0.78
|
| Calculation factor | Y2 |
1.24
|
| Mass bearing |
0.35 kg
|
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