Descrizione

Tapered roller bearing, pressed steel cage

d140 mm
D250 mm
B42 mm
C36 mm
T45.75 mm
d1189 mm
a48.5 mm
rs min4 mm
r1s min3 mm
e0.44
Y21.38
Y00.76
Mass9.26 kg
ISO 355 referenceT4FB140
BrandNTN
Dynamic load, C420 kN
Rating life coefficient, A21
Static load, C0570 kN
Fatigue limit load, Cu56.9 kN
Nlim (oil)1,900 Tr/min
Nlim (grease)1,400 Tr/min
Min operating temperature, Tmin-40 °C
Max operating temperature, Tmax120 °C
Characteristic cage frequency, FTF0.43 Hz
Characteristic rolling element frequency, BSF6.89 Hz
Characteristic outer ring frequency, BPF08.63 Hz
Characteristic inner ring frequency, BPFI11.37 Hz
da max163 mm
db min158 mm
Da min219 mm
Da max236 mm
Db min237 mm
Ca min7 mm
Cb min9.5 mm
ra max3 mm
r1a max2.5 mm
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