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Spherical roller bearings

23222EMW33C3 - SNR

23222EMW33C3

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 diameter110 mm
D - External diameter200 mm
B - Bearing/Inner ring width69,8 mm
d2 - External diameter inner ring0 mm
D1 - Inner diameter outer ring175,8 mm
rs - Min fillet radius2,1 mm
Number of lubrication holes3
b - Groove width10,52 mm
k - Hole diameter5 mm
Radial clearance classC3
Mass9,39 kg
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PRODUCT PERFORMANCE
C - Dynamic load752 kN
C0 - Static load869 kN
Cu - Fatigue limit load92,3 kN
e - Coefficient0.32
Y0 - Static axial load coefficient2.07
Y1 - Lower axial load coefficient2.12
Y2 - Upper axial load coefficient3.15
N ref - Reference thermal speed2300 tr/min
N lim - Mechanical Limit Speed3000 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature200 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)7,624 Hz
BPFI - Over rolling frequency on inner (60 rpm)10,376 Hz
BSF - Over rolling frequency on rolling element (60 rpm)6,25 Hz
BRF - Rotational frequency – rolling element (60 rpm)3,125 Hz
FTF - Rotational frequency - cage (60 rpm)0,424 Hz
ABUTMENT
da max - Max shoulder diameter IR0 mm
da min - Min shoulder diameter IR122 mm
Da max - Max shoulder diameter OR188 mm
ra max - Max shaft & housing fillet radius2 mm
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