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22212EAW33ZZ - SNR

22212EAW33ZZ

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 diameter60 mm
D - External diameter110 mm
B - Bearing/Inner ring width28 mm
d2 - External diameter inner ring71,9 mm
D1 - Inner diameter outer ring98,5 mm
rs - Min fillet radius1,5 mm
Number of lubrication holes3
b - Groove width6,9 mm
k - Hole diameter3 mm
Radial clearance classCN
Mass1,176 kg
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PRODUCT PERFORMANCE
C - Dynamic load187 kN
C0 - Static load181 kN
Cu - Fatigue limit load22,1 kN
e - Coefficient0.24
Y0 - Static axial load coefficient2.78
Y1 - Lower axial load coefficient2.84
Y2 - Upper axial load coefficient4.23
N ref - Reference thermal speed5600 tr/min
N lim - Mechanical Limit Speed7500 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature200 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)7,595 Hz
BPFI - Over rolling frequency on inner (60 rpm)10,405 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 IR71,9 mm
da min - Min shoulder diameter IR69 mm
db - Min diameter for Sleeve0 mm
Da max - Max shoulder diameter OR101 mm
ra max - Max shaft & housing fillet radius1,5 mm
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