NTN SKF FAG TIMKEN NSK KOYO NU3240M bearing Size Chart (mm/inches) |
|---|
| d | 25 mm |
| D | 47 mm |
| B | 12 mm |
| d1 | 32.2 mm |
| d2 | 30.25 mm |
| D1 | 42.65 mm |
| D2 | 44.25 mm |
| a | 11 mm |
| Contact angle α | 17 ° |
| rs min | 0.6 mm |
| r1s min | 0.3 mm |
| f0 | 7.74 |
| Precision class | P4S |
| Mass | 0.08 kg |
| Dynamic load, C | 7.4 kN |
| Static load, C0 | 3.9 kN |
| Fatigue limit load, Cu | 0.23 kN |
| Nlim (oil) | 61,000 rpm |
| Nlim (grease) | 44,000 rpm |
| Axial displacement K Factor | 1.53 |
| Preload level | 8 |
| Preload value | 0.11 kN |
| Axial rigidity | 47 N/µm |
| Radial rigidity | 218 N/µm |
| Min operating temperature, Tmin | -30 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.43 Hz |
| Characteristic rolling element frequency, BSF | 6.3 Hz |
| Characteristic outer ring frequency, BPF0 | 7.24 Hz |
| Characteristic inner ring frequency, BPFI | 9.76 Hz |
| da min | 29.5 mm |
| db min | 29.5 mm |
| Da max | 42.5 mm |
| Db max | 42.5 mm |
| r1a max | 0.3 mm |
| ra max | 0.6 mm |
| D6 | 34.2 mm |