La 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

d280 mm
D500 mm
B130 mm
d2355 mm
D1434 mm
rs min5 mm
Number of lubrication holes8
b20 mm
k12 mm
Associated sleeve referenceH3156
e0.26
Y12.57
Y23.83
Y02.51
Radial clearance classC3
BrandNTN
Dynamic load, C2,310 kN
Static load, C03,800 kN
Fatigue limit load, Cu309 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, BPF08.67 Hz
Characteristic inner ring frequency, BPFI11.33 Hz
da min300 mm
db min296 mm
Ce min28 mm
Da max480 mm
ra max4 mm
''