Thrust spherical plain bearings are designed to accommodate axial and combined radial and axial loads. This specific design includes a steel/PTFE FRP sliding contact surface combination that is maintenance-free. However, relubrication, which can be applied from both sides, can extend bearing service life.
| Sliding contact surface combination |
Steel/PTFE FRP
|
| Material, shaft washer |
Bearing steel
|
| Material, housing washer |
Bearing steel
|
| Relubrication feature |
Without
|
| Sealing |
Without
|
| d |
120 mm
|
Bore diameter |
|---|---|---|
| D |
230 mm
|
Outside diameter |
| T |
64 mm
|
Height |
| α |
3.4 °
|
Angle of tilt |
| dk |
250 mm
|
Raceway diameter inner ring (sphere diameter shaft washer) |
| d1 |
220 mm
|
Outside diameter inner ring (shaft washer) |
| D1 |
145 mm
|
Bore diameter outer ring (housing washer) |
| B |
53.5 mm
|
Height inner ring (shaft washer) |
| C |
50 mm
|
Height outer ring (housing washer) |
| r1 |
min. 1 mm
|
Chamfer dimension |
| s |
52.5 mm
|
Distance sphere diameter centre – shaft washer back face (large inner ring side face) |
| da |
min. 170 mm
|
Abutment diameter shaft |
|---|---|---|
| Da |
max. 190 mm
|
Abutment diameter housing |
| ra |
max. 1 mm
|
Fillet radius |
| Basic dynamic load rating – axial direction | C |
880 kN
|
|---|---|---|
| Basic static load rating – axial direction | C0 |
1 430 kN
|
| Specific dynamic load factor | K |
50 N/mm²
|
| Specific static load factor | K0 |
80 N/mm²
|
| Material constant | KM |
670
|
| Mass plain bearing |
14 kg
|
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