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, tapered bore 1:12

d380 mm
D680 mm
B240 mm
d2476 mm
D1574.4 mm
rs min6 mm
Number of lubrication holes8
b33 mm
k20 mm
Associated sleeve referenceH3276
e0.36
Y11.89
Y22.82
Y01.85
Radial clearance classCN
BrandNTN
Dynamic load, C5,200 kN
Static load, C09,650 kN
Fatigue limit load, Cu581 kN
Nref0 Tr/min
Nlim0 Tr/min
Min operating temperature, Tmin-40 °C
Max operating temperature, Tmax120 °C
Characteristic cage frequency, FTF0.43 Hz
Characteristic rolling element frequency, BSF7.28 Hz
Characteristic outer ring frequency, BPF08.69 Hz
Characteristic inner ring frequency, BPFI11.31 Hz
da min406 mm
db min405 mm
Ce min15 mm
Da max654 mm
ra max5 mm
''