These radial spherical plain bearings have a steel/steel sliding contact surface combination and a triple-lip, heavy-duty contact seal on both sides. The bearings require maintenance and can be relubricated via lubrication holes and an annular groove in both rings. Compared to the GE series, they have a wider inner ring and a larger outside diameter, which enable higher load ratings and larger tilt angles.
| Maintenance |
Relubrication required
|
| Sliding contact surface combination |
Steel/steel, standard
|
| Material, inner ring |
Bearing steel
|
| Material, outer ring |
Bearing steel
|
| Sealing |
Seal on both sides
|
| Sealing type |
Triple-lip
|
| d |
70 mm
|
Bore diameter |
|---|---|---|
| D |
120 mm
|
Outside diameter |
| B |
70 mm
|
Width |
| C |
45 mm
|
Width outer ring |
| α |
16 °
|
Angle of tilt |
| dk |
105 mm
|
Raceway diameter inner ring |
| b |
7.6 mm
|
Width annular lubrication groove at outer ring |
| b1 |
7.6 mm
|
Width annular lubrication groove at inner ring |
| M |
4 mm
|
Diameter lubrication hole (outer ring) |
| r1 |
min. 1 mm
|
Chamfer dimension bore |
| r2 |
min. 1 mm
|
Chamfer dimension outer ring |
| da |
min. 77.5 mm
|
Abutment diameter shaft |
|---|---|---|
| da |
max. 78.3 mm
|
Abutment diameter shaft |
| Da |
min. 104.4 mm
|
Abutment diameter housing |
| Da |
max. 113.8 mm
|
Abutment diameter housing |
| ra |
max. 1 mm
|
Fillet radius shaft |
| rb |
max. 1 mm
|
Fillet radius housing |
| Basic dynamic load rating | C |
400 kN
|
|---|---|---|
| Basic static load rating | C0 |
2 000 kN
|
| Specific dynamic load factor | K |
100 N/mm²
|
| Specific static load factor | K0 |
500 N/mm²
|
| Material constant | KM |
330
|
| Mass plain bearing |
3.4 kg
|
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