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

d440 mm
D720 mm
B226 mm
d2526.5 mm
D1626.8 mm
rs min6 mm
Number of lubrication holes8
b33 mm
k20 mm
Associated sleeve referenceH3188
e0.31
Y12.15
Y23.21
Y02.11
Radial clearance classCN
BrandNTN
Dynamic load, C5,200 kN
Static load, C010,100 kN
Fatigue limit load, Cu622 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, BSF8.19 Hz
Characteristic outer ring frequency, BPF09.7 Hz
Characteristic inner ring frequency, BPFI12.3 Hz
da min466 mm
db min463 mm
Ce min17 mm
Da max694 mm
ra max5 mm
''