Radial spherical plain bearings are designed to accommodate radial and combined radial and axial loads, and also misalignment. This specific design includes an SKF Explorer steel/steel sliding contact surface combination. They are initially lubricated and have a triple-lip, heavy-duty contact seal on both sides. Compared to conventional steel/steel bearings, they have increased dynamic load ratings.
| Maintenance |
Virtually maintenance-free
|
| Sliding contact surface combination |
Steel/steel, SKF Explorer
|
| Material, inner ring |
Bearing steel
|
| Material, outer ring |
Bearing steel
|
| Sealing |
Seal on both sides
|
| Sealing type |
Triple-lip
|
| d |
200 mm
|
Bore diameter |
|---|---|---|
| D |
290 mm
|
Outside diameter |
| B |
130 mm
|
Width |
| C |
100 mm
|
Width outer ring |
| α |
7 °
|
Angle of tilt |
| dk |
250 mm
|
Raceway diameter inner ring |
| b |
16 mm
|
Width annular lubrication groove at outer ring |
| b1 |
16 mm
|
Width annular lubrication groove at inner ring |
| M |
7 mm
|
Diameter lubrication hole (outer ring) |
| r1 |
min. 1.1 mm
|
Chamfer dimension bore |
| r2 |
min. 1.1 mm
|
Chamfer dimension outer ring |
| da |
min. 212.5 mm
|
Abutment diameter shaft |
|---|---|---|
| da |
max. 213.5 mm
|
Abutment diameter shaft |
| Da |
min. 244.5 mm
|
Abutment diameter housing |
| Da |
max. 279.5 mm
|
Abutment diameter housing |
| ra |
max. 1 mm
|
Fillet radius shaft |
| rb |
max. 1 mm
|
Fillet radius housing |
| Basic dynamic load rating | C |
3 200 kN
|
|---|---|---|
| Basic static load rating | C0 |
10 600 kN
|
| Specific dynamic load factor | K |
150 N/mm²
|
| Specific static load factor | K0 |
500 N/mm²
|
| Material constant | KM |
330
|
| Mass plain bearing |
28 kg
|
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