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 | 45 mm | Bore diameter |
| D | 75 mm | Outside diameter |
| B | 43 mm | Width inner ring |
| C | 28 mm | Width outer ring |
| dk | 66 mm | Ball diameter |
| a | 15 ° | Tilt angle |
| r1 | 0.6 mm | Chamfer dimension |
| r2 | 1 mm | Chamfer dimension |
| Cr | 156 kN | Basic dynamic load rating, radial |
| C0r | 780 kN | Basic static load rating, radial |
| ≈m | 0.68 kg | Weight |
| da min | 49.8 mm | Connection measure inner ring, min. |
| da max | 50.1 mm | Connection measure inner ring, max. |
| Da min | 66.2 mm | Housing connection diameter, min. |
| Da max | 70.5 mm | Housing Shoulder diameter, max. |
| ra min | 0.6 mm | Fillet radius shaft, min |
| rb max | 1 mm | Fillet radius housing, max. |
| Min. | 0.06 mm | Radial clearance |
| Max. | 0.120 mm | Radial clearance |
| dUT | -0.012 mm | Bore diameter,lower tolerance |
| DUT | -0.013 mm | Outside diameter,lower tolerance |
| BUT | -0.12 mm | Inner ring width,lower tolerance |
| CUT | -0.30 mm | Outer ring width, lower tolerance |
| Tmin | -50 °C | Operating temperature min. |
| Tmax | 150 °C | Operating temperature max. |
| SKF | INA (ELGES) | RBC | AURORA | TORRINGTON | IKO | LS |
| GEH45ES | GE45FO | MBH4550 | GEG45ES | 45FSH75 | GE45GS | GEG45ES |
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