Radial spherical plain bearings, steel/steel, bore and outside diameter is same with GE..ES, inner and outer ring is wider than GE…ES, two pieces outer ring
| Requiring maintenance | Maintenance | |
| Steel/Steel | Sliding contact surface | |
| Without | Sealing | |
| Bearing steel | Material, inner ring | |
| Bearing steel | Material, outer ring |
| d | 55 mm | Bore diameter |
| D | 90 mm | Outside diameter |
| B | 47 mm | Width inner ring |
| C | 40 mm | Width outer ring |
| dk | 80 mm | Ball diameter |
| a | 6 ° | Tilt angle |
| d2 | 64.5 mm | Connection measure Inner ring |
| r1 | 1 mm | Chamfer dimension |
| r2 | 1 mm | Chamfer dimension |
| Cr | 272 kN | Basic dynamic load rating, radial |
| C0r | 1360 kN | Basic static load rating, radial |
| ≈m | 1.29 kg | Weight |
| da min | 59.5 mm | Connection measure inner ring, min. |
| da max | 64.5 mm | Connection measure inner ring, max. |
| Da min | 74.5 mm | Housing connection diameter, min. |
| Da max | 85.5 mm | Housing Shoulder diameter, max. |
| ra min | 1 mm | Fillet radius shaft, min |
| rb max | 1 mm | Fillet radius housing, max. |
| Min. | 0.060 mm | Radial clearance |
| Max. | 0.120 mm | Radial clearance |
| dUT | -0.015 mm | Bore diameter,lower tolerance |
| DUT | -0.015 mm | Outside diameter,lower tolerance |
| BUT | -0.15 mm | Inner ring width,lower tolerance |
| CUT | -0.4 mm | Outer ring width, lower tolerance |
| Tmin | -50 °C | Operating temperature min. |
| Tmax | 150 °C | Operating temperature max. |
| IKO | THK | LS |
| SB559047 | SB55 | GE55XS/K |
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