Descrizione

Tapered roller bearing, pressed steel cage

d25 mm
D62 mm
B17 mm
C13 mm
T18.25 mm
d146 mm
a20 mm
rs min1.5 mm
r1s min1.5 mm
e0.83
Y20.73
Y00.4
Mass0.28 kg
ISO 355 referenceT7FB025
BrandNTN
Dynamic load, C40.5 kN
Rating life coefficient, A21
Static load, C043.5 kN
Fatigue limit load, Cu5.3 kN
Nlim (oil)7,800 Tr/min
Nlim (grease)5,900 Tr/min
Min operating temperature, Tmin-40 °C
Max operating temperature, Tmax120 °C
Characteristic cage frequency, FTF0.42 Hz
Characteristic rolling element frequency, BSF5.53 Hz
Characteristic outer ring frequency, BPF06.76 Hz
Characteristic inner ring frequency, BPFI9.24 Hz
da max34 mm
db min33.5 mm
Da min45.5 mm
Da max53.5 mm
Db min58.5 mm
Ca min3 mm
Cb min5 mm
ra max1.5 mm
r1a max1.5 mm
''