Radial spherical plain bearing, requiring maintenance, steel/steel sliding contact surface, metric sizes, DIN ISO 12240-1, dimension series E
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.
| Requiring maintenance | Maintenance | |
| Steel/Steel | Sliding contact surface | |
| Without | Sealing | |
| Bearing steel | Material, inner ring | |
| Bearing steel | Material, outer ring |
| d | 180 mm | Bore diameter |
| D | 260 mm | Outside diameter |
| B | 105 mm | Width inner ring |
| C | 80 mm | Width outer ring |
| dk | 225 mm | Ball diameter |
| a | 6 ° | Tilt angle |
| r1 | 1.1 mm | Chamfer dimension |
| r2 | 1.1 mm | Chamfer dimension |
| Cr | 1530 kN | Basic dynamic load rating, radial |
| C0r | 7650 kN | Basic static load rating, radial |
| ≈m | 18.50 kg | Weight |
| da min | 191 mm | Connection measure inner ring, min. |
| da max | 198.9 mm | Connection measure inner ring, max. |
| Da min | 219 mm | Housing connection diameter, min. |
| Da max | 250.5 mm | Housing Shoulder diameter, max. |
| ra min | 1 mm | Fillet radius shaft, min |
| rb max | 1 mm | Fillet radius housing, max. |
| Min. | 0.100 mm | Radial clearance |
| Max. | 0.192 mm | Radial clearance |
| dUT | -0.025 mm | Bore diameter,lower tolerance |
| DUT | -0.035 mm | Outside diameter,lower tolerance |
| BUT | -0.25 mm | Inner ring width,lower tolerance |
| CUT | -0.70 mm | Outer ring width, lower tolerance |
| Tmin | -50 °C | Operating temperature min. |
| Tmax | 150 °C | Operating temperature max. |
| SKF | INA | RBC | TORRINGTON | IKO | NTN | LS |
| GE180ES | GE180DO | MB180-9L | 180FS260 | GE180ES | SA1-180 | GE180ES |
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