Self-aligning ball bearings have two rows of balls, a common sphered raceway in the outer ring and two deep uninterrupted raceway grooves in the inner ring. They are insensitive to angular misalignment of the shaft relative to the housing, which can be caused, for example, by shaft deflection.
| Bore type |
Cylindrical
|
| d |
10 mm
|
Bore diameter |
|---|---|---|
| D |
30 mm
|
Outside diameter |
| B |
9 mm
|
Width |
| d1 |
≈ 16.5 mm
|
Shoulder diameter inner ring |
| D1 |
≈ 23.5 mm
|
Shoulder diameter outer ring |
| r1,2 |
min. 0.6 mm
|
Chamfer dimension |
| da |
min. 14.2 mm
|
Abutment diameter shaft |
|---|---|---|
| Da |
max. 25.8 mm
|
Abutment diameter housing |
| ra |
max. 0.6 mm
|
Fillet radius |
| Basic dynamic load rating | C |
5.53 kN
|
|---|---|---|
| Basic static load rating | C0 |
1.18 kN
|
| Fatigue load limit | Pu |
0.061 kN
|
| Reference speed |
56 000 r/min
|
|
| Limiting speed |
36 000 r/min
|
|
| Permissible angular misalignment | α |
2.5 °
|
| Calculation factor | kr |
0.04
|
| Limiting value | e |
0.33
|
| Calculation factor | Y0 |
2
|
| Calculation factor | Y1 |
1.9
|
| Calculation factor | Y2 |
3
|
| Mass bearing |
0.034 kg
|
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