Descrizione

Spherical roller bearing, with central rib on inner ring, 2-part machined cage centred on inner ring, groove and lubrication holes on outer ring, tapered bore 1:12

d340 mm
D620 mm
B224 mm
d2432 mm
D1523.9 mm
rs min6 mm
Number of lubrication holes8
b33 mm
k20 mm
Associated sleeve referenceH3268
e0.37
Y11.84
Y22.75
Y01.8
Radial clearance classC3
BrandNTN
Dynamic load, C4,450 kN
Static load, C08,000 kN
Fatigue limit load, Cu502 kN
Nref0 Tr/min
Nlim0 Tr/min
Min operating temperature, Tmin-40 °C
Max operating temperature, Tmax120 °C
Characteristic cage frequency, FTF0.43 Hz
Characteristic rolling element frequency, BSF7.01 Hz
Characteristic outer ring frequency, BPF08.21 Hz
Characteristic inner ring frequency, BPFI10.79 Hz
da min366 mm
db min364 mm
Ce min14 mm
Da max594 mm
ra max5 mm
''