Descrizione

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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, tapered bore 1:30

d630 mm
D1,030 mm
B400 mm
d2748 mm
D1871.5 mm
rs min7.5 mm
Number of lubrication holes12
b42 mm
k25 mm
Associated sleeve referenceAH241/630
e0.38
Y11.78
Y22.66
Y01.74
Radial clearance classCN
BrandNTN
Dynamic load, C11,600 kN
Static load, C025,000 kN
Fatigue limit load, Cu1,136 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, BSF8.38 Hz
Characteristic outer ring frequency, BPF09.74 Hz
Characteristic inner ring frequency, BPFI12.26 Hz
da min662 mm
Da max998 mm
ra max6 mm
"''