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 | 44.45 mm | Bore diameter |
| D | 71.438 mm | Outside diameter |
| B | 38.887 mm | Width inner ring |
| C | 33.325 mm | Width outer ring |
| dk | 63.9 mm | Ball diameter |
| a | 6 ° | Tilt angle |
| d2 | 50.4 mm | Connection measure Inner ring |
| r1 | 0.6 mm | Chamfer dimension |
| r2 | 1 mm | Chamfer dimension |
| Cr | 170 kN | Basic dynamic load rating, radial |
| C0r | 510 kN | Basic static load rating, radial |
| ≈m | 0.64 kg | Weight |
| da min | 48.5 mm | Connection measure inner ring, min. |
| da max | 50.7 mm | Connection measure inner ring, max. |
| Da min | 61.3 mm | Housing connection diameter, min. |
| Da max | 67.4 mm | Housing Shoulder diameter, max. |
| ra min | 0.6 mm | Fillet radius shaft, min |
| rb max | 1 mm | Fillet radius housing, max. |
| Min. | 0.0762 mm | Radial clearance |
| Max. | 0.1778 mm | Radial clearance |
| dUT | -0.0127 mm | Bore diameter,lower tolerance |
| DUT | -0.0152 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. |
| SKF | INA | RBC | AURORA | TORRINGTON | IKO | LS |
| GEZ112ES-2RS | GE44ZO-2RS | B28-LSS | GEZ028ES-2RS | 17SF28-TT | SBB28-2RS | GEZ44ES-2RS |
