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

d320 mm
D480 mm
B160 mm
d2367 mm
D1422 mm
rs min4 mm
Number of lubrication holes8
b20 mm
k12 mm
e0.33
Y12.06
Y23.07
Y02.02
Radial clearance classCN
BrandNTN
Dynamic load, C2,510 kN
Static load, C05,200 kN
Fatigue limit load, Cu342 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, BSF9.92 Hz
Characteristic outer ring frequency, BPF012.18 Hz
Characteristic inner ring frequency, BPFI14.82 Hz
da min334.6 mm
Da max465.4 mm
ra max3 mm
"''