Descripción

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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

d440 mm
D790 mm
B280 mm
d2552 mm
D1670.5 mm
rs min7.5 mm
Number of lubrication holes8
b33 mm
k20 mm
e0.36
Y11.88
Y22.8
Y01.84
Radial clearance classCN
BrandNTN
Dynamic load, C6,900 kN
Static load, C012,800 kN
Fatigue limit load, Cu861 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, BSF7.08 Hz
Characteristic outer ring frequency, BPF08.22 Hz
Characteristic inner ring frequency, BPFI10.78 Hz
da min472 mm
Da max758 mm
ra max6 mm
"''