Inch radial spherical plain bearings, requiring maintenance, steel/steel, one piece formed carbon steel outer ring pressed around on chrome steel inner ring
| Requiring maintenance | Maintenance | |
| Steel/Steel | Sliding contact surface | |
| Without | Sealing | |
| Bearing steel | Material, inner ring | |
| Carbon steel | Material, outer ring |
| d | 44.45 mm | Bore diameter |
| D | 79.38 mm | Outside diameter |
| B | 39.67 mm | Width inner ring |
| C | 31.75 mm | Width outer ring |
| dk | 66.68 mm | Ball diameter |
| a | 8 ° | Tilt angle |
| d2 | 53.594 mm | Connection measure Inner ring |
| r2 | 1.1176 mm | Chamfer dimension |
| Cr | 523 kN | Basic dynamic load rating, radial |
| C0r | 785 kN | Basic static load rating, radial |
| ≈m | 0.884 kg | Weight |
| Min. | 0.08 mm | Radial clearance |
| Max. | 0.15 mm | Radial clearance |
| dOT | 0.0635 mm | Bore diameter,upper tolerance |
| dUT | -0.0127 mm | Bore diameter,lower tolerance |
| DUT | -0.018 mm | Outside diameter,lower tolerance |
| BOT | 0.127 mm | Inner ring width,upper tolerance |
| BUT | -0.127 mm | Inner ring width,lower tolerance |
| COT | 0.127 mm | Outer ring width,upper tolerance |
| CUT | -0.127 mm | Outer ring width, lower tolerance |
| Tmin | -50 °C | Operating temperature min. |
| Tmax | 150 °C | Operating temperature max. |
| RBC | AURORA | FK |
| LH28D | HCOM28 | COMH28 |
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