Bearing 7222 A ISO 7222 A ISO bearing Size Chart (mm/inches) |
|---|
| d | 170 mm |
| D | 260 mm |
| B | 42 mm |
| d1 | 199.8 mm |
| D1 | 230.22 mm |
| D2 | 243.56 mm |
| a | 71 mm |
| Contact angle α | 25 ° |
| rs min | 2.1 mm |
| r1s min | 1.1 mm |
| f0 | 16.23 |
| Precision class | P4 |
| Mass | 6.98 kg |
| Dynamic load, C | 187 kN |
| Static load, C0 | 218 kN |
| Fatigue limit load, Cu | 8.3 kN |
| Nlim (oil) | 7,400 rpm |
| Nlim (grease) | 4,900 rpm |
| Axial displacement K Factor | 0.35 |
| Preload level | 7 |
| Preload value | 2.45 kN |
| Axial rigidity | 550 N/µm |
| Radial rigidity | 1,160 N/µm |
| Min operating temperature, Tmin | -30 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.45 Hz |
| Characteristic rolling element frequency, BSF | 8.37 Hz |
| Characteristic outer ring frequency, BPF0 | 10.27 Hz |
| Characteristic inner ring frequency, BPFI | 12.73 Hz |
| da min | 182 mm |
| db min | 182 mm |
| Da max | 248 mm |
| Db max | 248 mm |
| r1a max | 1 mm |
| ra max | 2 mm |
| D6 | 206.4 mm |