Angular spherical plain bearings to ISO 12240-2, maintenance-free, sliding contact surface: hard chromium/PTFE plastic(fibre reinforced polyamid)
| Requiring maintenance | Maintenance | |
| Hard chromium/PTFE plastic | Sliding contact surface | |
| Bearing steel | Material, inner ring | |
| Bearing steel | Material, outer ring |
| d | 50 mm | Bore diameter |
| D | 80 mm | Outside diameter |
| T | 20 mm | Width |
| B | 19 mm | Width inner ring |
| C | 20 mm | Width outer ring |
| dk | 74 mm | Ball diameter |
| a | 1.5 ° | Tilt angle |
| S | 4.3 mm | Plane surface spacing |
| r1 | 1 mm | Chamfer dimension |
| r2 | 1 mm | Chamfer dimension |
| Cr | 49 kN | Basic dynamic load rating, radial |
| C0r | 78 | Basic static load rating, radial |
| ≈m | 0.455 kg | Weight |
| da max | 56 mm | Connection measure inner ring, max. |
| Da min | 60 mm | Housing connection diameter, min. |
| db max | 67 mm | Connection measure large inner ring side face.max. |
| Db min | 74.5 mm | Housing connection diameter, small outer ring side face,min |
| dUT | -0.012 mm | Bore diameter,lower tolerance |
| DUT | -0.016 mm | Outside diameter,lower tolerance |
| BUT | -0.24 mm | Inner ring width,lower tolerance |
| CUT | -0.24 mm | Outer ring width, lower tolerance |
| TOT | 0.25 mm | Height,upper tolerance |
| TUT | -0.25 mm | Height, lower, lower tolerance |
| Tmin | -40 °C | Operating temperature min. |
| Tmax | 150 °C | Operating temperature max. |
| SKF | LS |
| GAC50F | GAC50N |
