Thrust spherical plain bearings to ISO 12240-3 , requiring maintenance, sliding contact surface: steel/steel, metric size
| Requiring maintenance | Maintenance | |
| Steel/Steel | Sliding contact surface | |
| Bearing steel | Material, inner ring | |
| Bearing steel | Material, outer ring |
| d | 20 mm | Bore diameter |
| D | 55 mm | Outside diameter |
| T | 20 mm | Height |
| B | 14.3 mm | Width inner ring |
| C | 13 mm | Width outer ring |
| dk | 60 mm | Ball diameter |
| a | 6 ° | Tilt angle |
| d2 | 50 mm | Connection measure Inner ring |
| d3 | 40 mm | Front surface diameter of shaft washer |
| D3 | 33.5 mm | Inner diameter of housing washer |
| S | 12.5 mm | Plane surface spacing |
| A | 6 mm | Distance lubrication bore |
| r1 | 1 mm | Chamfer dimension |
| r2 | 0.3 mm | Chamfer dimension |
| Ca | 75.1 kN | Basic dynamic load rating, axial |
| C0a | 375 kN | Basic static load rating, axial |
| ≈m | 0.25 kg | Weight |
| da max | 40 mm | Connection measure inner ring, max. |
| Da min | 38 mm | Housing connection diameter, min. |
| dUT | -0.01 mm | Bore diameter,lower tolerance |
| DUT | -0.013 mm | Outside diameter,lower tolerance |
| BUT | -0.24 mm | Inner ring width,lower tolerance |
| CUT | -0.24 mm | Outer ring width, lower tolerance |
| TUT | -0.4 mm | Height, lower, lower tolerance |
| Tmin | -50 °C | Operating temperature min. |
| Tmax | 150 °C | Operating temperature max. |
| SKF | INA | RBC | AURORA |
| GXD20SA | GE20AX | SAT20 | GX20S |
