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22208EAKW33ZZC3 - SNR

22208EAKW33ZZC3

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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.

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Technical datasheet

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PRODUCT DEFINITION
BrandSNR
d - Internal diameter40 mm
D - External diameter80 mm
B - Bearing/Inner ring width23 mm
d2 - External diameter inner ring50,2 mm
D1 - Inner diameter outer ring70,8 mm
rs - Min fillet radius1,1 mm
Number of lubrication holes3
b - Groove width5,38 mm
k - Hole diameter2,5 mm
Associated sleeve referenceH308
Radial clearance classC3
Mass0,52 kg
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PRODUCT PERFORMANCE
C - Dynamic load116 kN
C0 - Static load105 kN
Cu - Fatigue limit load12,8 kN
e - Coefficient0.27
Y0 - Static axial load coefficient2.41
Y1 - Lower axial load coefficient2.47
Y2 - Upper axial load coefficient3.68
Nref - Reference thermal speed8200 tr/min
Nlim - Mechanical Limit Speed11000 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature200 °C
BEARING FREQUENCIES
BPFO - Characteristic outer ring frequency (60 rpm)6,64 Hz
BPFI - Characteristic inner ring frequency (60 rpm)9,36 Hz
FTF - Characteristic cage frequency (60 rpm)0,415 Hz
BSF - Characteristic rolling element frequency (60 rpm)5,618 Hz
ABUTMENT
da max - Max shoulder diameter IR50,2 mm
da min - Min shoulder diameter IR47 mm
db - Min diameter for Sleeve44 mm
Ce - Min length fro Sleeve5 mm
Da max - Max shoulder diameter OR73 mm
ra max - Max shaft & housing fillet radius1 mm
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