Radial spherical plain bearing, requiring maintenance, steel/steel sliding contact surface, metric sizes, DIN ISO 12240-1, dimension series G
Radial spherical plain bearings are designed to accommodate radial and combined radial and axial loads, and also misalignment. The bearing 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.
| Requiring maintenance | Maintenance | |
| Steel/Steel | Sliding contact surface | |
| Without | Sealing | |
| Bearing steel | Material, inner ring | |
| Bearing steel | Material, outer ring |
| d | 280 mm | Bore diameter |
| D | 430 mm | Outside diameter |
| B | 210 mm | Width inner ring |
| C | 120 mm | Width outer ring |
| dk | 375 mm | Ball diameter |
| a | 15 ° | Tilt angle |
| r1 | 1.1 mm | Chamfer dimension |
| r2 | 1.1 mm | Chamfer dimension |
| Cr | 3800 kN | Basic dynamic load rating, radial |
| C0r | 19100 kN | Basic static load rating, radial |
| ≈m | 97.21 kg | Weight |
| da max | 310.6 mm | Connection measure inner ring, max. |
| Da min | 370 mm | Housing connection diameter, min. |
| Min. | 0.125 mm | Radial clearance |
| Max. | 0.239 mm | Radial clearance |
| dUT | -0.035 mm | Bore diameter,lower tolerance |
| DUT | -0.045 mm | Outside diameter,lower tolerance |
| BUT | -0.35 mm | Inner ring width,lower tolerance |
| CUT | -0.90 mm | Outer ring width, lower tolerance |
| Tmin | -50 °C | Operating temperature min. |
| Tmax | 150 °C | Operating temperature max. |
| INA (ELGES) | RBC | TORRINGTON | IKO | LS |
| GE280FO | MBH280300-9L | 280FSH430 | GE280GS | GEG280ES |
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