ISO NH319 cylindrical roller bearings
QuestionISO NH319 cylindrical roller bearings 42 Outer Diameter (mm) ? Find what you need faster by entering 20x42x12 Size (mm) your information .
| Size (mm) | 20x42x12 |
| Bore Diameter (mm) | 20 |
| Outer Diameter (mm) | 42 |
| Width (mm) | 12 |
| d | 20 mm |
| D | 42 mm |
| B | 12 mm |
| C | 12 mm |
| Angle (α) | 20 ° |
| d1 | 26.6 mm |
| d2 | 24.65 mm |
| D1 | 37.05 mm |
| D2 | 38.65 mm |
| a | 13 mm |
| Contact angle α | 25 ° |
| rs min | 0.6 mm |
| r1s min | 0.3 mm |
| f0 | 7.52 |
| Precision class | P4S |
| Mass | 0.06 kg |
| Dynamic load, C | 6.3 kN |
| Static load, C0 | 2.95 kN |
| Fatigue limit load, Cu | 0.19 kN |
| Nlim (grease) | 44,000 rpm |
| Axial displacement K Factor | 0.96 |
| Preload level | 7 |
| Preload value | 0.05 kN |
| Axial rigidity | 54 N/µm |
| Radial rigidity | 119 N/µm |
| Min operating temperature, Tmin | -20 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.42 Hz |
| Characteristic rolling element frequency, BSF | 5.28 Hz |
| Characteristic outer ring frequency, BPF0 | 5.83 Hz |
| Characteristic inner ring frequency, BPFI | 8.17 Hz |
| da min | 24.5 mm |
| db min | 24.5 mm |
| Da max | 37.5 mm |
| Db max | 37.5 mm |
| r1a max | 0.3 mm |
| ra max | 0.6 mm |
| D6 | 28.6 mm |
Detailed Parameters
parameter：
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