Radial spherical plain bearing, DIN ISO 12240-1, dimension series K, maintenance-free, sliding contact surface: hard chromium/PTFE composite
| Requiring maintenance | Maintenance | |
| Hard chromium/PTFE composite | Sliding contact surface | |
| Without | Sealing | |
| Bearing steel | Material, inner ring | |
| Carbon steel | Material, outer ring |
| d | 18 mm | Bore diameter |
| D | 35 mm | Outside diameter |
| B | 23 mm | Width inner ring |
| C | 16.5 mm | Width outer ring |
| dk | 31.75 mm | Ball diameter |
| a | 15 ° | Tilt angle |
| d2 | 21.8 mm | Connection measure Inner ring |
| r1 | 0.6 mm | Chamfer dimension |
| r2 | 0.6 mm | Chamfer dimension |
| Cr | 47.5 kN | Basic dynamic load rating, radial |
| C0r | 118 kN | Basic static load rating, radial |
| ≈m | 0.1 kg | Weight |
| da max | 21.8 mm | Connection measure inner ring, max. |
| Da min | 28.5 mm | Housing connection diameter, min. |
| Min. | 0.05 mm | Radial clearance |
| Max. | 0.035 mm | Radial clearance |
| dOT | 0.018 mm | Bore diameter,upper tolerance |
| DUT | -0.016 mm | Outside diameter,lower tolerance |
| BUT | -0.1 mm | Inner ring width,lower tolerance |
| CUT | -0.24 mm | Outer ring width, lower tolerance |
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 120 °C | Operating temperature max. |
| LS | FK |
| GEBJ18C | COM18MT |
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