Bearing 7218DF NACHI 7218DF NACHI bearing Size Chart (mm/inches) |
|---|
| Lubricant | Regular relubrication – grease |
| Design (sliding contact surface combination) | Steel/steel, heavy-duty bearing |
| Sealing solution | Triple-lip seals |
| d | 38.1 mm |
| D | 61.913 mm |
| B | 33.325 mm |
| C | 28.575 mm |
| α | 6 ° |
| dk | 54.737 mm |
| b | 4.8 mm |
| b1 | 5 mm |
| M | 4 mm |
| r1 min. | 0.6 mm |
| r2 min. | 1 mm |
| da min. | 41.4 mm |
| da max. | 43.4 mm |
| Da min. | 52.3 mm |
| Da max. | 58 mm |
| ra max. | 0.6 mm |
| rb max. | 1 mm |
| Basic dynamic load rating C | 125 kN |
| Basic static load rating C0 | 375 kN |
| Specific dynamic load factor K | 100 N/mm² |
| Specific static load factor K0 | 300 N/mm² |
| Material constant KM | 330 |
| Mass plain bearing | 0.42 kg |