Radial spherical plain bearing, requiring maintenance, sliding contact surface: steel/bronze, DIN ISO 12240-1, dimension series K, open design
| Requiring maintenance | Maintenance | |
| Steel/Bronze | Sliding contact surface | |
| Without | Sealing | |
| Bearing steel | Material, inner ring | |
| Bronze | Material, outer ring |
| d | 203.2 mm | Bore diameter |
| D | 304.8 mm | Outside diameter |
| B | 152.4 mm | Width inner ring |
| C | 127 mm | Width outer ring |
| dk | 275 mm | Ball diameter |
| a | 7 ° | Tilt angle |
| d2 | 227.9904 mm | Connection measure Inner ring |
| r1 | 1.1 mm | Chamfer dimension |
| r2 | 1.1 mm | Chamfer dimension |
| Cr | 2770 kN | Basic dynamic load rating, radial |
| C0r | 8350 kN | Basic static load rating, radial |
| ≈m | 42.6 kg | Weight |
| Min. | 0.1778 mm | Radial clearance |
| Max. | 0.3048 mm | Radial clearance |
| dUT | -0.0305 mm | Bore diameter,lower tolerance |
| DUT | -0.0355 mm | Outside diameter,lower tolerance |
| BUT | -0.127 mm | Inner ring width,lower tolerance |
| CUT | -0.127 mm | Outer ring width, lower tolerance |
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 130 °C | Operating temperature max. |
| RBC | LS |
| B128-9LSS | GEZ203ES-2RS |
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