NTN RE3221 bearing Size Chart (mm/inches) |
|---|
| d | 90 mm |
| D | 125 mm |
| B | 18 mm |
| d1 | 101.9 mm |
| d2 | 99.3 mm |
| D1 | 113.1 mm |
| D2 | 118.5 mm |
| a | 34.2 mm |
| Contact angle α | 25 ° |
| rs min | 1.1 mm |
| r1s min | 0.6 mm |
| f0 | 16.7 |
| Precision class | P42 |
| Mass | 0.56 kg |
| Dynamic load, C | 39.5 kN |
| Static load, C0 | 43 kN |
| Nlim (oil) | 15,300 rpm |
| Nlim (grease) | 9,400 rpm |
| Preload level | GN |
| Preload value | 0.39 kN |
| Axial rigidity | 239.3 N/µm |
| Radial rigidity | 515 N/µm |
| Min operating temperature, Tmin | -20 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.46 Hz |
| Characteristic rolling element frequency, BSF | 10.34 Hz |
| Characteristic outer ring frequency, BPF0 | 12.33 Hz |
| Characteristic inner ring frequency, BPFI | 14.67 Hz |
| da min | 97 mm |
| Da max | 118 mm |
| Db max | 120.5 mm |
| r1a max | 0.6 mm |
| ra max | 1 mm |
| D6 | 102.4 mm |