Double direction thrust ball bearings can accommodate axial loads in both directions, but they must not be subjected to any radial load. Their separable components facilitate mounting/dismounting and maintenance inspections, and many of the components are interchangeable. The shaft washers have a ground bore that enables an interference fit.
| d |
30 mm
|
Bore diameter |
|---|---|---|
| D |
78 mm
|
Outside diameter |
| H |
49 mm
|
Height |
| D1 |
≈ 40 mm
|
Inner diameter housing washer |
| B |
12 mm
|
Height shaft washer |
| r1,2 |
min. 1 mm
|
Chamfer dimension housing washer |
| r3,4 |
min. 0.6 mm
|
Chamfer dimension shaft washer |
| da |
40 mm
|
Abutment diameter shaft |
|---|---|---|
| Da |
max. 55 mm
|
Abutment diameter housing |
| ra |
max. 1 mm
|
Fillet radius housing |
| rb |
max. 0.6 mm
|
Fillet radius shaft |
| Basic dynamic load rating | C |
61.8 kN
|
|---|---|---|
| Basic static load rating | C0 |
122 kN
|
| Fatigue load limit | Pu |
4.5 kN
|
| Reference speed |
2 200 r/min
|
|
| Limiting speed |
3 000 r/min
|
|
| Minimum load factor | A |
0.077
|
| Mass bearing (including seat washer where applicable) |
1.05 kg
|
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