Descripción

"

Tapered roller bearing, pressed steel cage

d220 mm
D300 mm
B51 mm
C39 mm
T51 mm
d1260.5 mm
a59.5 mm
rs min3 mm
r1s min2.5 mm
e0.43
Y21.41
Y00.78
Mass10.2 kg
ISO 355 referenceT3EC220
BrandNTN
Dynamic load, C480 kN
Rating life coefficient, A21
Static load, C0950 kN
Fatigue limit load, Cu87 kN
Nlim (oil)1,400 Tr/min
Nlim (grease)1,000 Tr/min
Min operating temperature, Tmin-40 °C
Max operating temperature, Tmax120 °C
Characteristic cage frequency, FTF0.46 Hz
Characteristic rolling element frequency, BSF13.19 Hz
Characteristic outer ring frequency, BPF016.23 Hz
Characteristic inner ring frequency, BPFI18.77 Hz
da max234 mm
db min234 mm
Da min271 mm
Da max288 mm
Db min290 mm
Ca min10 mm
Cb min12 mm
ra max2.5 mm
r1a max2 mm
"''