Description

Tapered roller bearing, pressed steel cage

d260 mm
D400 mm
B87 mm
C65 mm
T87 mm
d1331.5 mm
a85.5 mm
rs min5 mm
r1s min4 mm
e0.43
Y21.38
Y00.76
Mass39.4 kg
ISO 355 referenceT4FC260
BrandNTN
Dynamic load, C1,200 kN
Rating life coefficient, A21
Static load, C02,270 kN
Fatigue limit load, Cu193 kN
Nlim (oil)1,100 Tr/min
Nlim (grease)800 Tr/min
Min operating temperature, Tmin-40 °C
Max operating temperature, Tmax120 °C
Characteristic cage frequency, FTF0.45 Hz
Characteristic rolling element frequency, BSF9.59 Hz
Characteristic outer ring frequency, BPF012.61 Hz
Characteristic inner ring frequency, BPFI15.39 Hz
da max287 mm
db min282 mm
Da min352 mm
Da max382 mm
Db min383 mm
Ca min14 mm
Cb min22 mm
ra max4 mm
r1a max3 mm
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