22212EAKW33ZZC3 - SNR


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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 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
Associated sleeve referenceH312
Radial clearance classC3
Mass1,17 kg
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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
Nref - Reference thermal speed5600 tr/min
Nlim - Mechanical Limit Speed7500 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature200 °C
BPFO - Characteristic outer ring frequency (60 rpm)7,595 Hz
BPFI - Characteristic inner ring frequency (60 rpm)10,405 Hz
FTF - Characteristic cage frequency (60 rpm)0,422 Hz
BSF - Characteristic rolling element frequency (60 rpm)6,174 Hz
da max - Max shoulder diameter IR71,9 mm
da min - Min shoulder diameter IR69 mm
db - Min diameter for Sleeve65 mm
Ce - Min length fro Sleeve9 mm
Da max - Max shoulder diameter OR101 mm
ra max - Max shaft & housing fillet radius1,5 mm
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