Description

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

d400 mm
D820 mm
B243 mm
rs min7.5 mm
Number of lubrication holes8
b33 mm
k20 mm
e0.31
Y12.16
Y23.22
Y02.12
Radial clearance classCN
BrandNTN
Dynamic load, C6,200 kN
Static load, C09,950 kN
Fatigue limit load, Cu747 kN
Nref0 Tr/min
Nlim0 Tr/min
Min operating temperature, Tmin-40 °C
Max operating temperature, Tmax120 °C
Characteristic cage frequency, FTF0.42 Hz
Characteristic rolling element frequency, BSF5.87 Hz
Characteristic outer ring frequency, BPF06.7 Hz
Characteristic inner ring frequency, BPFI9.3 Hz
da min432 mm
Da max788 mm
ra max6 mm
''