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22308EF800 - SNR


Spherical roller bearing for vibratory applications, one-piece machined cage, groove and lubrication holes on outer ring, special C4 class clearance

product label

The spherical roller bearing withstands significant loads and misalignments. This type of roller bearing is well adapted to harsh operating conditions: impacts or vibrations (crushers, vibrating screens, heavy handling, etc.). With the ULTAGE design, NTN EUROPE offers as standard, unsurpassed endurance and longevity.


3D file

Technical datasheet

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d - Internal diameter40 mm
D - External diameter90 mm
B - Bearing/Inner ring width33 mm
d2 - External diameter inner ring0 mm
D1 - Inner diameter outer ring77 mm
rs - Min fillet radius1,5 mm
Number of lubrication holes3
b - Groove width6 mm
k - Hole diameter3 mm
Radial clearance classC4 Special
Mass1,021 kg
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C - Dynamic load169 kN
C0 - Static load152 kN
Cu - Fatigue limit load18,5 kN
e - Coefficient0.36
Y0 - Static axial load coefficient1.83
Y1 - Lower axial load coefficient1.87
Y2 - Upper axial load coefficient2.79
Nref - Reference thermal speed5800 tr/min
Nlim - Mechanical Limit Speed7400 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature200 °C
BPFO - Characteristic outer ring frequency (60 rpm)5,672 Hz
BPFI - Characteristic inner ring frequency (60 rpm)8,328 Hz
FTF - Characteristic cage frequency (60 rpm)0,405 Hz
BSF - Characteristic rolling element frequency (60 rpm)4,943 Hz
da max - Max shoulder diameter IR0 mm
da min - Min shoulder diameter IR49 mm
Da max - Max shoulder diameter OR81 mm
ra max - Max shaft & housing fillet radius1,5 mm
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Calcul factors image