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 | 500 mm | Outside diameter |
B | 90 mm | Width |
d1 | ≈ 365 mm | Shoulder diameter inner ring |
D1 | ≈ 415 mm | Shoulder diameter outer ring/ inner diameter housing washer |
a | 390 mm | Distance pressure point(s) |
h | 15 mm | Locating slot depth outer ring |
b | 12.5 mm | Locating slot width outer ring |
r0 | 2.5 mm | Corner radius locating slot |
r1,2 | min. 5 mm | Chamfer dimension inner ring |
da | min. 302 mm | Abutment diameter shaft |
---|---|---|
Da | max. 478 mm | Abutment diameter housing |
ra | max. 4 mm | Fillet radius |
Basic dynamic load rating | C | 728 kN |
---|---|---|
Basic static load rating | C0 | 1 460 kN |
Fatigue load limit | Pu | 31.5 kN |
Limiting speed | 2 000 r/min | |
Calculation factor | A | 13 |
Limiting value | e | 1.34 |
Calculation factor | X | 0.54 |
Calculation factor | Y0 | 0.44 |
Calculation factor | Y1 | 0.47 |
Calculation factor | Y2 | 0.81 |
General bearing specifications
Bearing interfaces
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