Descrizione

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Tapered roller bearing, pressed steel cage

d300 mm
D420 mm
B76 mm
C57 mm
T76 mm
d1361 mm
a80 mm
rs min4 mm
r1s min3 mm
e0.39
Y21.52
Y00.84
Mass31.4 kg
ISO 355 referenceT3FD300
BrandNTN
Dynamic load, C1,010 kN
Rating life coefficient, A21
Static load, C02,090 kN
Fatigue limit load, Cu173.3 kN
Nlim (oil)970 Tr/min
Nlim (grease)720 Tr/min
Min operating temperature, Tmin-40 °C
Max operating temperature, Tmax120 °C
Characteristic cage frequency, FTF0.46 Hz
Characteristic rolling element frequency, BSF12.44 Hz
Characteristic outer ring frequency, BPF016.15 Hz
Characteristic inner ring frequency, BPFI18.85 Hz
da max324 mm
db min318 mm
Da min379 mm
Da max406 mm
Db min405 mm
Ca min13 mm
Cb min19 mm
ra max3 mm
r1a max2.5 mm
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