NSK FWF-384313 needle roller bearings
NSK FWF-384313 needle roller bearings with 20 mm d easy-to-use parts graphics, giving you the ability to check parts availability, pricing, examine remanufactured options.
| d | 20 mm |
| D | 37 mm |
| B | 9 mm |
| d1 | 25.1 mm |
| d2 | 23.9 mm |
| D1 | 32.15 mm |
| D2 | 33.45 mm |
| a | 9 mm |
| Contact angle α | 17 ° |
| rs min | 0.3 mm |
| r1s min | 0.3 mm |
| f0 | 7.88 |
| Precision class | P4S |
| Mass | 0.04 kg |
| Dynamic load, C | 3.85 kN |
| Static load, C0 | 1.9 kN |
| Fatigue limit load, Cu | 0.11 kN |
| Nlim (grease) | 56,000 rpm |
| Axial displacement K Factor | 1.77 |
| Preload level | 8 |
| Preload value | 0.06 kN |
| Axial rigidity | 33 N/µm |
| Radial rigidity | 153 N/µm |
| Min operating temperature, Tmin | -20 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.43 Hz |
| Characteristic rolling element frequency, BSF | 6.9 Hz |
| Characteristic outer ring frequency, BPF0 | 6.91 Hz |
| Characteristic inner ring frequency, BPFI | 9.09 Hz |
| da min | 22.5 mm |
| db min | 22.5 mm |
| Da max | 34.5 mm |
| Db max | 34.5 mm |
| r1a max | 0.3 mm |
| ra max | 0.3 mm |
| D6 | 26.6 mm |
Detailed Parameters
parameter：
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