Angular contact spherical plain bearing, requiring maintenance, sliding contact surface: steel/steel, DIN ISO 12240-2, open design
Angular contact spherical plain bearings are designed to accommodate combined radial and axial loads. Single bearings can accommodate axial loads acting in one direction.
| Requiring maintenance | Maintenance | |
| Steel/Steel | Sliding contact surface | |
| Bearing steel | Material, inner ring | |
| Bearing steel | Material, outer ring |
| d | 28 mm | Bore diameter |
| D | 52 mm | Outside diameter |
| T | 16 mm | Width |
| B | 15 mm | Width inner ring |
| C | 15 mm | Width outer ring |
| dk | 47 mm | Ball diameter |
| a | 2.4 ° | Tilt angle |
| D1 | 35.7 mm | Inner diameter of housing washer |
| S | 1 mm | Plane surface spacing |
| A | 8 mm | Distance lubrication bore |
| r1 | 1 mm | Chamfer dimension |
| r2 | 0.3 mm | Chamfer dimension |
| Ca | 57.5 kN | Basic dynamic load rating, axial |
| C0a | 287 kN | Basic static load rating, axial |
| ≈m | 0.17 kg | Weight |
| da max | 34.4 mm | Connection measure inner ring, max. |
| Da min | 40 mm | Housing connection diameter, min. |
| db max | 42 mm | Connection measure large inner ring side face.max. |
| Db min | 47.5 mm | Housing connection diameter, small outer ring side face,min |
| ra max | 1 mm | Fillet radius shaft, housing,max |
| dUT | -0.012 mm | Bore diameter,lower tolerance |
| DUT | -0.016 mm | Outside diameter,lower tolerance |
| BUT | -0.2 mm | Inner ring width,lower tolerance |
| CUT | -0.2 mm | Outer ring width, lower tolerance |
| TOT | 0.25 mm | Height,upper tolerance |
| TUT | -0.25 mm | Height, lower, lower tolerance |
| Tmin | -50 °C | Operating temperature min. |
| Tmax | 150 °C | Operating temperature max. |
| SKF | INA | AURORA(TIMKEN) | LS |
| GACD28SA | GE28SX | GAC28S | GAC28S |
