Radial spherical plain bearing, requiring maintenance, sliding contact surface: steel/steel, extended inner ring, metric sizes, DIN ISO 12240-1, dimension series W
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 | 12 mm | Bore diameter |
| D | 22 mm | Outside diameter |
| B | 12 mm | Width inner ring |
| C | 7 mm | Width outer ring |
| dk | 18 mm | Ball diameter |
| a | 4 ° | Tilt angle |
| d2 | 15.5 mm | Connection measure Inner ring |
| r1 | 0.3 mm | Chamfer dimension |
| r2 | 0.3 mm | Chamfer dimension |
| Cr | 10 kN | Basic dynamic load rating, radial |
| C0r | 54 kN | Basic static load rating, radial |
| ≈m | 0.018 kg | Weight |
| da min | 14.5 mm | Connection measure inner ring, min. |
| da max | 15.5 mm | Connection measure inner ring, max. |
| Da min | 17.5 mm | Housing connection diameter, min. |
| Da max | 20.4 mm | Housing Shoulder diameter, max. |
| ra min | 0.3 mm | Fillet radius shaft, min |
| rb max | 0.3 mm | Fillet radius housing, max. |
| Min. | 0.032 mm | Radial clearance |
| Max. | 0.068 mm | Radial clearance |
| dOT | 0.018 mm | Bore diameter,upper tolerance |
| DUT | -0.009 mm | Outside diameter,lower tolerance |
| BUT | -0.18 mm | Inner ring width,lower tolerance |
| CUT | -0.24 mm | Outer ring width, lower tolerance |
| Tmin | -50 °C | Operating temperature min. |
| Tmax | 150 °C | Operating temperature max. |
| SKF | INA | AURORA | LS |
| GEG12ESA | GE12LO | GEEW12ES | GEEW12ES |
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