Descripción

Tapered roller bearing, pressed steel cage

d240 mm
D360 mm
B76 mm
C57 mm
T76 mm
d1301.5 mm
a78 mm
rs min4 mm
r1s min3 mm
e0.46
Y21.31
Y00.72
Mass26.8 kg
ISO 355 referenceT4FD240
BrandNTN
Dynamic load, C930 kN
Rating life coefficient, A21
Static load, C01,760 kN
Fatigue limit load, Cu154 kN
Nlim (oil)1,200 Tr/min
Nlim (grease)870 Tr/min
Min operating temperature, Tmin-40 °C
Max operating temperature, Tmax120 °C
Characteristic cage frequency, FTF0.45 Hz
Characteristic rolling element frequency, BSF10.14 Hz
Characteristic outer ring frequency, BPF013.14 Hz
Characteristic inner ring frequency, BPFI15.86 Hz
da max261 mm
db min258 mm
Da min318 mm
Da max346 mm
Db min346 mm
Ca min12 mm
Cb min19 mm
ra max3 mm
r1a max2.5 mm
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