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

d400 mm
D720 mm
B256 mm
d2501 mm
D1611.1 mm
rs min6 mm
Number of lubrication holes8
b33 mm
k20 mm
e0.37
Y11.81
Y22.69
Y01.77
Radial clearance classC3
BrandNTN
Dynamic load, C5,850 kN
Static load, C010,600 kN
Fatigue limit load, Cu636 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, BSF6.9 Hz
Characteristic outer ring frequency, BPF08.19 Hz
Characteristic inner ring frequency, BPFI10.81 Hz
da min426 mm
Da max694 mm
ra max5 mm
''