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

d900 mm
D980 mm
B230 mm
rs min7.5 mm
Number of lubrication holes8
b33 mm
k20 mm
Associated sleeve referenceH30/670
e0.22
Y13.07
Y24.57
Y03
Radial clearance classC4
BrandNTN
Dynamic load, C6,550 kN
Static load, C014,600 kN
Fatigue limit load, Cu1,000 kN
Nlim0 Tr/min
Min operating temperature, Tmin-40 °C
Max operating temperature, Tmax150 °C
Characteristic cage frequency, FTF0.46 Hz
Characteristic rolling element frequency, BSF11.13 Hz
Characteristic outer ring frequency, BPF013.22 Hz
Characteristic inner ring frequency, BPFI15.78 Hz
da min928 mm
db min695 mm
Ce min22 mm
Da max952 mm
ra max6 mm
''