Descripción

Spherical roller bearing, with central rib on inner ring, 2-part machined cage centred on inner ring, groove and lubrication holes on outer ring, tapered bore 1:12

d300 mm
D420 mm
B90 mm
rs min3 mm
Number of lubrication holes8
b14 mm
k8 mm
Associated sleeve referenceH3960
e0.2
Y13.34
Y24.98
Y03.27
Radial clearance classCN
BrandNTN
Dynamic load, C1,110 kN
Static load, C02,320 kN
Fatigue limit load, Cu198 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, BSF13.32 Hz
Characteristic outer ring frequency, BPF016.67 Hz
Characteristic inner ring frequency, BPFI19.33 Hz
da min312.4 mm
db min312 mm
Ce min12 mm
Da max407.6 mm
ra max2.5 mm
''