Description

Spherical roller bearing, one-piece machined cage, groove and lubrication holes on outer ring

d180 mm
D250 mm
B52 mm
rs min2 mm
Number of lubrication holes4
b9 mm
k5 mm
e0.17
Y13.9
Y25.81
Y03.81
Radial clearance classCN
BrandNTN
Dynamic load, C573 kN
Static load, C0869 kN
Fatigue limit load, Cu81.4 kN
Nref0 Tr/min
Nlim0 Tr/min
Min operating temperature, Tmin-40 °C
Max operating temperature, Tmax200 °C
Characteristic cage frequency, FTF0.46 Hz
Characteristic rolling element frequency, BSF12.45 Hz
Characteristic outer ring frequency, BPF015.19 Hz
Characteristic inner ring frequency, BPFI17.81 Hz
da min188.8 mm
Da max241.2 mm
ra max2 mm
''