Four-point contact ball bearings with locating slots 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. The locating slots can be used to prevent the outer ring from rotating.
| d |
280 mm
|
Bore diameter |
|---|---|---|
| D |
420 mm
|
Outside diameter |
| B |
65 mm
|
Width |
| d1 |
≈ 328 mm
|
Shoulder diameter inner ring |
| D1 |
≈ 372 mm
|
Shoulder diameter outer ring/ inner diameter housing washer |
| a |
245 mm
|
Distance pressure point(s) |
| h |
15 mm
|
Locating slot depth outer ring |
| b |
12.55 mm
|
Locating slot width outer ring |
| r0 |
2.5 mm
|
Corner radius locating slot |
| r1,2 |
min. 4 mm
|
Chamfer dimension inner ring |
| da |
min. 298 mm
|
Abutment diameter shaft |
|---|---|---|
| Da |
max. 402 mm
|
Abutment diameter housing |
| ra |
max. 3 mm
|
Fillet radius |
| Basic dynamic load rating | C |
585 kN
|
|---|---|---|
| Basic static load rating | C0 |
1 140 kN
|
| Fatigue load limit | Pu |
25.5 kN
|
| Limiting speed |
2 400 r/min
|
|
| Calculation factor | A |
3.47
|
| 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 |
33.5 kg
|
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