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Spherical roller bearings

23220EAW33 - SNR

23220EAW33

Spherical roller bearing, pressed steel cage, groove and lubrication holes on outer ring

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 offers as standard, unsurpassed endurance and longevity.

Documentation

Product information

PRODUCT DEFINITION
BrandSNR
d - Internal diameter100 mm
D - External diameter180 mm
B - Bearing/Inner ring width60,3 mm
d2 - External diameter inner ring118,2 mm
D1 - Inner diameter outer ring158,9 mm
rs - Min fillet radius2,1 mm
Number of lubrication holes3
b - Groove width9,44 mm
k - Hole diameter4,5 mm
Radial clearance classCN
Mass6,4 kg
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PRODUCT PERFORMANCE
C - Dynamic load586 kN
C0 - Static load661 kN
Cu - Fatigue limit load72,3 kN
e - Coefficient0.31
Y0 - Static axial load coefficient2.13
Y1 - Lower axial load coefficient2.18
Y2 - Upper axial load coefficient3.24
N ref - Reference thermal speed2600 tr/min
N lim - Mechanical Limit Speed3300 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature200 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)7,642 Hz
BPFI - Over rolling frequency on inner (60 rpm)10,358 Hz
BSF - Over rolling frequency on rolling element (60 rpm)6,341 Hz
BRF - Rotational frequency – rolling element (60 rpm)3,171 Hz
FTF - Rotational frequency - cage (60 rpm)0,425 Hz
ABUTMENT
da max - Max shoulder diameter IR0 mm
da min - Min shoulder diameter IR112 mm
Da max - Max shoulder diameter OR168 mm
ra max - Max shaft & housing fillet radius2 mm
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