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Spherical roller bearings

22232EMW33C4 - SNR

22232EMW33C4

Spherical roller bearing, one-piece machined 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 diameter160 mm
D - External diameter290 mm
B - Bearing/Inner ring width80 mm
D1 - Inner diameter outer ring258,7 mm
rs - Min fillet radius3 mm
Number of lubrication holes3 ou 4
b - Groove width16,94 mm
k - Hole diameter8 mm
Radial clearance classC4
Mass23,2 kg
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PRODUCT PERFORMANCE
C - Dynamic load1220 kN
C0 - Static load1390 kN
Cu - Fatigue limit load132 kN
e - Coefficient0.25
Y0 - Static axial load coefficient2.63
Y1 - Lower axial load coefficient2.69
Y2 - Upper axial load coefficient4
N ref - Reference thermal speed2000 tr/min
N lim - Mechanical Limit Speed2800 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature200 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)7,597 Hz
BPFI - Over rolling frequency on inner (60 rpm)10,403 Hz
BSF - Over rolling frequency on rolling element (60 rpm)6,174 Hz
BRF - Rotational frequency – rolling element (60 rpm)3,087 Hz
FTF - Rotational frequency - cage (60 rpm)0,422 Hz
ABUTMENT
da max - Max shoulder diameter IR0 mm
da min - Min shoulder diameter IR174 mm
Da max - Max shoulder diameter OR276 mm
ra max - Max shaft & housing fillet radius2,5 mm
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