Self-aligning ball bearings, with a tapered bore, 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. The tapered bore facilitates ease of mounting via adapter sleeves or withdrawal sleeves.
| Bore type |
Tapered 1:12
|
| d |
75 mm
|
Bore diameter |
|---|---|---|
| D |
160 mm
|
Outside diameter |
| B |
55 mm
|
Width |
| d1 |
≈ 97.8 mm
|
Shoulder diameter inner ring |
| D1 |
≈ 136.4 mm
|
Shoulder diameter outer ring |
| r1,2 |
min. 2.1 mm
|
Chamfer dimension |
| Da |
max. 148 mm
|
Abutment diameter housing |
|---|---|---|
| ra |
max. 2 mm
|
Fillet radius |
| Basic dynamic load rating | C |
124 kN
|
|---|---|---|
| Basic static load rating | C0 |
43 kN
|
| Fatigue load limit | Pu |
2.04 kN
|
| Reference speed |
7 500 r/min
|
|
| Limiting speed |
5 600 r/min
|
|
| Permissible angular misalignment | α |
3 °
|
| Calculation factor | kr |
0.05
|
| Limiting value | e |
0.37
|
| Calculation factor | Y0 |
1.8
|
| Calculation factor | Y1 |
1.7
|
| Calculation factor | Y2 |
2.6
|
| Mass bearing |
5.16 kg
|
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