Descripción

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Tapered roller bearing, pressed steel cage

d200 mm
D310 mm
B70 mm
C53 mm
T70 mm
d1256 mm
a66.5 mm
rs min3 mm
r1s min2.5 mm
e0.43
Y21.39
Y00.77
Mass19.3 kg
ISO 355 referenceT4FD200
BrandNTN
Dynamic load, C800 kN
Rating life coefficient, A21
Static load, C01,470 kN
Fatigue limit load, Cu135 kN
Nlim (oil)1,400 Tr/min
Nlim (grease)1,100 Tr/min
Min operating temperature, Tmin-40 °C
Max operating temperature, Tmax120 °C
Characteristic cage frequency, FTF0.45 Hz
Characteristic rolling element frequency, BSF9.48 Hz
Characteristic outer ring frequency, BPF012.6 Hz
Characteristic inner ring frequency, BPFI15.4 Hz
da max221 mm
db min214 mm
Da min273 mm
Da max298 mm
Db min297 mm
Ca min11 mm
Cb min17 mm
ra max2.5 mm
r1a max2 mm
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