Bearing NU422 KOYO NU422 KOYO bearing Size Chart (mm/inches) |
|---|
| d | 190 mm |
| D | 340 mm |
| B | 120 mm |
| d2 | 220.8 mm |
| D1 | 298.1 mm |
| rs min | 4 mm |
| Number of lubrication holes | 3 |
| b | 17.5 mm |
| k | 8 mm |
| Associated sleeve reference | H2338 |
| e | 0.33 |
| Y1 | 2.03 |
| Y2 | 3.02 |
| Y0 | 1.98 |
| Radial clearance class | CN |
| Mass | 44.6 kg |
| Dynamic load, C | 1,990 kN |
| Static load, C0 | 2,480 kN |
| Fatigue limit load, Cu | 153 kN |
| Nref | 1,200 rpm |
| Nlim | 1,800 rpm |
| Min operating temperature, Tmin | -40 °C |
| Max operating temperature, Tmax | 200 °C |
| Characteristic cage frequency, FTF | 0.42 Hz |
| Characteristic rolling element frequency, BSF | 6.24 Hz |
| Characteristic outer ring frequency, BPF0 | 7.63 Hz |
| Characteristic inner ring frequency, BPFI | 10.37 Hz |
| da min | 207 mm |
| db min | 206 mm |
| Ce min | 21 mm |
| Da max | 323 mm |
| ra max | 3 mm |