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 only from the side.
| Requiring maintenance | Maintenance | |
| Steel/Steel | Sliding contact surface | |
| Without | Sealing | |
| Bearing steel | Material, inner ring | |
| Bearing steel | Material, outer ring |
| d | 4 mm | Bore diameter |
| D | 12 mm | Outside diameter |
| B | 5 mm | Width inner ring |
| C | 3 mm | Width outer ring |
| dk | 8 mm | Ball diameter |
| a | 16 ° | Tilt angle |
| r1 | 0.3 mm | Chamfer dimension |
| r2 | 0.3 mm | Chamfer dimension |
| Cr | 2 kN | Basic dynamic load rating, radial |
| C0r | 10 kN | Basic static load rating, radial |
| ≈m | 0.003 kg | Weight |
| da min | 5.5 mm | Connection measure inner ring, min. |
| da max | 6.2 mm | Connection measure inner ring, max. |
| Da min | 7.6 mm | Housing connection diameter, min. |
| Da max | 10.7 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 |
| dUT | -0.008 mm | Bore diameter,lower tolerance |
| DUT | -0.008 mm | Outside diameter,lower tolerance |
| BUT | -0.12 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 | IKO | LS |
| GE4E | GE4E | GE4E |
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