NTN PK44.4XPK53.9X31.7 needle roller bearings

Our highly-skilled and factory-trained 17 mm B service experts have the resources to help you 35 mm d with all your NTN PK44.4XPK53.9X31.7 needle roller bearings needs – including routine maintenance, major 72 mm D repairs, warranty service, and equipment inspections.
d | 35 mm |
D | 72 mm |
B | 17 mm |
a min | 3.07 mm |
a max | 3.28 mm |
rs min | 1.1 mm |
rNs min | 0.5 mm |
D3 max | 68.81 mm |
b min | 1.9 mm |
b max | 2.2 mm |
r0 max | 0.6 mm |
Radial clearance class | C3 |
Mass | 0.29 kg |
Dynamic load, C | 25.7 kN |
Static load, C0 | 15.3 kN |
Fatigue limit load, Cu | 0.7 kN |
f0 | 13.8 |
Nlim (grease) | 6,300 rpm |
Min operating temperature, Tmin | -25 °C |
Max operating temperature, Tmax | 110 °C |
Characteristic cage frequency, FTF | 0.4 Hz |
Characteristic rolling element frequency, BSF | 4.61 Hz |
Characteristic outer ring frequency, BPF0 | 3.56 Hz |
Characteristic inner ring frequency, BPFI | 5.44 Hz |
da min | 41.5 mm |
da max | 45 mm |
Da max | 65.5 mm |
ra max | 1 mm |
rNa max | 0.5 mm |
Detailed Parameters
parameter:
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