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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