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NTN NUP228 Roller Bearings Code system

Bearing number:4T-3382/3320
Size (mm):39.688x80.167x30.391
Bore Diameter (mm):39,688
Outer Diameter (mm):80,167
Width (mm):30,391
d:39,688 mm
D:80,167 mm
T:30,391 mm
B:30,391 mm
C:23,812 mm
d1:58 mm
a:18.17 mm
e:0.27
Y2:2.2
Y0:1.21
Mass:0.66 kg
Dynamic load, C:95 kN
Rating life coefficient, A2:1.4
Static load, C0:112 kN
Fatigue limit load, Cu:13.7 kN
Nlim (oil):6,400 rpm
Nlim (grease):4,800 rpm
Min operating temperature, Tmin:-40 °C
Max operating temperature, Tmax:120 °C
Characteristic cage frequency, FTF:0.41 Hz
Characteristic rolling element frequency, BSF:5.32 Hz
Characteristic outer ring frequency, BPF0:6.16 Hz
Characteristic inner ring frequency, BPFI:8.84 Hz
ra max:3.5 mm
r1a max:3.3 mm

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