Description

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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

d320 mm
D440 mm
B90 mm
rs min3 mm
Number of lubrication holes8
b14 mm
k8 mm
e0.19
Y13.5
Y25.21
Y03.42
Radial clearance classCN
BrandNTN
Dynamic load, C1,140 kN
Static load, C02,460 kN
Fatigue limit load, Cu205 kN
Nref0 Tr/min
Nlim0 Tr/min
Min operating temperature, Tmin-40 °C
Max operating temperature, Tmax120 °C
Characteristic cage frequency, FTF0.46 Hz
Characteristic rolling element frequency, BSF14.07 Hz
Characteristic outer ring frequency, BPF017.67 Hz
Characteristic inner ring frequency, BPFI20.33 Hz
da min332.4 mm
Da max427.6 mm
ra max2.5 mm
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