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

d440 mm
D650 mm
B212 mm
d2503 mm
D1575.9 mm
rs min6 mm
Number of lubrication holes8
b33 mm
k20 mm
e0.32
Y12.11
Y23.15
Y02.07
Radial clearance classC3
BrandNTN
Dynamic load, C4,300 kN
Static load, C09,450 kN
Fatigue limit load, Cu583 kN
Nref0 Tr/min
Nlim0 Tr/min
Min operating temperature, Tmin-40 °C
Max operating temperature, Tmax120 °C
Characteristic cage frequency, FTF0.45 Hz
Characteristic rolling element frequency, BSF10.22 Hz
Characteristic outer ring frequency, BPF012.67 Hz
Characteristic inner ring frequency, BPFI15.33 Hz
da min463 mm
Da max627 mm
ra max5 mm
"''