Double direction angular contact thrust ball bearings are designed to locate spindle shafts axially in both directions. These bearings are intended for mounting in combination with cylindrical roller bearings, and consist of two single row angular contact thrust ball bearings arranged back-to-back. The large number of balls enables these bearings to accommodate high axial loads in both directions and provides a high degree of system rigidity.
| d |
190 mm
|
Bore diameter |
|---|---|---|
| D |
290 mm
|
Outside diameter |
| H |
120 mm
|
Height |
| d1 |
248.3 mm
|
Shoulder diameter shaft washer (high shoulder) |
| 2C |
60 mm
|
Height of both housing washers |
| r1,2 |
min. 2.1 mm
|
Shaft washer chamfer radius |
| r3,4 |
min. 1 mm
|
Housing washer small chamfer radius |
| da |
min. 224 mm
|
Abutment diameter shaft |
|---|---|---|
| Da |
min. 272.6 mm
|
Abutment diameter shaft |
| Da |
max. 274 mm
|
Abutment diameter housing |
| ra |
max. 2 mm
|
Fillet radius |
| rb |
max. 1 mm
|
Fillet radius |
| Basic dynamic load rating | C |
203 kN
|
|---|---|---|
| Basic static load rating | C0 |
735 kN
|
| Fatigue load limit | Pu |
22.8 kN
|
| Attainable speed for grease lubrication |
2 000 r/min
|
|
| Attainable speed for oil-air lubrication |
2 600 r/min
|
|
| Contact angle | α |
60 °
|
| Preload |
1 385 N
|
|
| Static axial stiffness |
1 361 N/µm
|
|
| Reference grease quantity | Gref |
122.1 cm³
|
| Mass bearing |
24.1 kg
|
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