Bearing NUP 2248 NACHI NUP 2248 NACHI bearing Size Chart (mm/inches) |
|---|
| d | 70 mm |
| D | 100 mm |
| B | 16 mm |
| d1 | 80.1 mm |
| D1 | 89.9 mm |
| D2 | 93.49 mm |
| a | 28 mm |
| Contact angle α | 25 ° |
| rs min | 1 mm |
| r1s min | 0.3 mm |
| f0 | 16.76 |
| Precision class | P4 |
| Mass | 0.34 kg |
| Dynamic load, C | 22.4 kN |
| Static load, C0 | 23 kN |
| Fatigue limit load, Cu | 1.32 kN |
| Nlim (oil) | 19,000 rpm |
| Nlim (grease) | 12,500 rpm |
| Axial displacement K Factor | 0.5 |
| Preload level | 8 |
| Preload value | 0.59 kN |
| Axial rigidity | 247 N/µm |
| Radial rigidity | 494 N/µm |
| Min operating temperature, Tmin | -30 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.46 Hz |
| Characteristic rolling element frequency, BSF | 10.63 Hz |
| Characteristic outer ring frequency, BPF0 | 10.98 Hz |
| Characteristic inner ring frequency, BPFI | 13.02 Hz |
| da min | 75.5 mm |
| db min | 75.5 mm |
| Da max | 94.5 mm |
| Db max | 94.5 mm |
| r1a max | 0.3 mm |
| ra max | 1 mm |
| D6 | 82.6 mm |