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

d340 mm
D580 mm
B243 mm
rs min5 mm
Number of lubrication holes8
b33 mm
k20 mm
e0.42
Y11.61
Y22.39
Y01.57
Radial clearance classCN
BrandNTN
Dynamic load, C4,600 kN
Static load, C08,950 kN
Fatigue limit load, Cu642 kN
Nref0 Tr/min
Nlim0 Tr/min
Min operating temperature, Tmin-40 °C
Max operating temperature, Tmax120 °C
Characteristic cage frequency, FTF0.44 Hz
Characteristic rolling element frequency, BSF7.59 Hz
Characteristic outer ring frequency, BPF09.19 Hz
Characteristic inner ring frequency, BPFI11.81 Hz
da min360 mm
Da max560 mm
ra max4 mm
''