Radial spherical plain bearing, requiring maintenance, sliding contact surface: steel/steel , non-separable design
| Requiring maintenance | Maintenance | |
| Steel/Steel | Sliding contact surface | |
| Without | Sealing | |
| Bearing steel | Material, inner ring | |
| Bearing steel | Material, outer ring |
| d | 50 mm | Bore diameter |
| D | 80 mm | Outside diameter |
| B | 42 mm | Width inner ring |
| C | 36 mm | Width outer ring |
| dk | 72 mm | Ball diameter |
| a | 5 ° | Tilt angle |
| d2 | 58.5 mm | Connection measure Inner ring |
| r1 | 1 mm | Chamfer dimension |
| r2 | 1 mm | Chamfer dimension |
| Cr | 220 kN | Basic dynamic load rating, radial |
| C0r | 1100 kN | Basic static load rating, radial |
| ≈m | 0.885 kg | Weight |
| da min | 54.5 mm | Connection measure inner ring, min. |
| da max | 58.5 mm | Connection measure inner ring, max. |
| Da min | 67 mm | Housing connection diameter, min. |
| Da max | 75.5 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 | -0.012 mm | Bore diameter,lower tolerance |
| DUT | -0.013 mm | Outside diameter,lower tolerance |
| BUT | -0.12 mm | Inner ring width,lower tolerance |
| CUT | -0.3 mm | Outer ring width, lower tolerance |
| Tmin | -50 °C | Operating temperature min. |
| Tmax | 150 °C | Operating temperature max. |
| IKO | NTN | LS |
| SB50A | SA4-50B | GEF50ES |
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