NTN SKF FAG TIMKEN NSK KOYO NN3920 bearing Size Chart (mm/inches) |
|---|
| d | 35 mm |
| D | 80 mm |
| B | 21 mm |
| d1 | 46.2 mm |
| D1 | 70.1 mm |
| a min | 3.07 mm |
| a max | 3.28 mm |
| Ca min | 4.67 mm |
| Ca max | 4.98 mm |
| rs min | 1.5 mm |
| rNs min | 0.5 mm |
| D3 max | 76.81 mm |
| b min | 1.9 mm |
| b max | 2.2 mm |
| r0 max | 0.6 mm |
| D4 max | 86.6 mm |
| f | 1.65 mm |
| Snap ring reference | R80 |
| Radial clearance class | CN |
| Mass | 0.45 kg |
| Dynamic load, C | 33 kN |
| Static load, C0 | 19.2 kN |
| Fatigue limit load, Cu | 1.13 kN |
| f0 | 13.2 |
| Nref | 9,900 rpm |
| Nlim | 14,000 rpm |
| Min operating temperature, Tmin | -40 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.38 Hz |
| Characteristic rolling element frequency, BSF | 4.07 Hz |
| Characteristic outer ring frequency, BPF0 | 3.07 Hz |
| Characteristic inner ring frequency, BPFI | 4.93 Hz |
| da min | 43 mm |
| da max | 46.2 mm |
| Da max | 72 mm |
| ra max | 1.5 mm |
| rNa max | 0.5 mm |
| Db min | 88 mm |