Bearing K89311 NTN K89311 NTN bearing Size Chart (mm/inches) |
|---|
| d | 31.75 mm |
| D | 69.01 mm |
| B | 19.58 mm |
| C | 15.88 mm |
| T | 19.84 mm |
| d1 | 51 mm |
| a | 15.74 mm |
| e | 0.38 |
| Y2 | 1.57 |
| Y0 | 0.86 |
| Mass | 0.36 kg |
| Dynamic load, C | 48.5 kN |
| Rating life coefficient, A2 | 1.9 |
| Static load, C0 | 58 kN |
| Fatigue limit load, Cu | 7.1 kN |
| Nlim (oil) | 7,400 rpm |
| Nlim (grease) | 5,600 rpm |
| Min operating temperature, Tmin | -40 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.43 Hz |
| Characteristic rolling element frequency, BSF | 6.83 Hz |
| Characteristic outer ring frequency, BPF0 | 7.75 Hz |
| Characteristic inner ring frequency, BPFI | 10.25 Hz |
| ra max | 3.5 mm |
| r1a max | 1.3 mm |