Four-point contact ball bearings can accommodate high axial loads in both directions and small radial loads. They can operate at very high speeds and are more suitable than deep groove ball bearings for supporting large axial forces. The outer ring, with ball and cage assembly, can be mounted separately from the two inner ring halves.
| d |
320 mm
|
Bore diameter |
|---|---|---|
| D |
480 mm
|
Outside diameter |
| B |
74 mm
|
Width |
| d1 |
≈ 376 mm
|
Shoulder diameter inner ring |
| D1 |
≈ 424 mm
|
Shoulder diameter outer ring/ inner diameter housing washer |
| a |
280 mm
|
Distance pressure point(s) |
| r1,2 |
min. 5 mm
|
Chamfer dimension inner ring |
| da |
min. 338 mm
|
Abutment diameter shaft |
|---|---|---|
| Da |
max. 462 mm
|
Abutment diameter housing |
| ra |
max. 3 mm
|
Fillet radius |
| Basic dynamic load rating | C |
715 kN
|
|---|---|---|
| Basic static load rating | C0 |
1 530 kN
|
| Fatigue load limit | Pu |
32 kN
|
| Limiting speed |
2 000 r/min
|
|
| Calculation factor | A |
6.29
|
| Limiting value | e |
0.95
|
| Calculation factor | X |
0.6
|
| Calculation factor | Y0 |
0.58
|
| Calculation factor | Y1 |
0.66
|
| Calculation factor | Y2 |
1.07
|
| Mass bearing |
50 kg
|
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