Descrizione

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

d420 mm
D620 mm
B200 mm
d2481 mm
D1550.1 mm
rs min5 mm
Number of lubrication holes8
b27 mm
k16 mm
e0.32
Y12.13
Y23.18
Y02.09
Radial clearance classCN
BrandNTN
Dynamic load, C3,850 kN
Static load, C08,450 kN
Fatigue limit load, Cu515 kN
Nref0 Tr/min
Nlim0 Tr/min
Min operating temperature, Tmin-40 °C
Max operating temperature, Tmax120 °C
Characteristic cage frequency, FTF0.45 Hz
Characteristic rolling element frequency, BSF10.36 Hz
Characteristic outer ring frequency, BPF012.69 Hz
Characteristic inner ring frequency, BPFI15.31 Hz
da min438 mm
Da max602 mm
ra max4 mm
"''