These radial spherical plain bearings have a steel/PTFE FRP sliding contact surface combination. They are factory greased and maintenance-free. However, relubrication can extend bearing service life and can be applied via lubrication holes and an annular groove in both rings. Compared to the GEC design (axially split outer ring), the GEP design (radially split) has a wider and larger outside diameter for a given shaft size. This results in a higher basic load rating, but a smaller tilt angle.
| Maintenance |
Maintenance-free
|
| Sliding contact surface combination |
Steel/PTFE FRP
|
| Material, inner ring |
Bearing steel
|
| Material, outer ring |
Quenched and tempered steel
|
| Sealing |
Without
|
| d |
800 mm
|
Bore diameter |
|---|---|---|
| D |
1 060 mm
|
Outside diameter |
| B |
355 mm
|
Width |
| C |
300 mm
|
Width outer ring |
| α |
3 °
|
Angle of tilt |
| dk |
930 mm
|
Raceway diameter inner ring |
| b |
35 mm
|
Width annular lubrication groove at outer ring |
| b1 |
35.1 mm
|
Width annular lubrication groove at inner ring |
| M |
13 mm
|
Diameter lubrication hole (outer ring) |
| r1 |
min. 3 mm
|
Chamfer dimension bore |
| r2 |
min. 6 mm
|
Chamfer dimension outer ring |
| da |
min. 817 mm
|
Abutment diameter shaft |
|---|---|---|
| da |
max. 859 mm
|
Abutment diameter shaft |
| Da |
min. 907 mm
|
Abutment diameter housing |
| Da |
max. 1 033 mm
|
Abutment diameter housing |
| ra |
max. 3 mm
|
Fillet radius shaft |
| rb |
max. 6 mm
|
Fillet radius housing |
| Basic dynamic load rating | C |
17 300 kN
|
|---|---|---|
| Basic static load rating | C0 |
26 000 kN
|
| Specific dynamic load factor | K |
80 N/mm²
|
| Specific static load factor | K0 |
120 N/mm²
|
| Material constant | KM |
1 055
|
| Mass plain bearing |
861 kg
|
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