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22215EAKW33ZZ - SNR

22215EAKW33ZZ

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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 diameter75 mm
D - External diameter130 mm
B - Bearing/Inner ring width31 mm
d2 - External diameter inner ring88,4 mm
D1 - Inner diameter outer ring117,8 mm
rs - Min fillet radius1,5 mm
Number of lubrication holes3
b - Groove width7,37 mm
k - Hole diameter3,5 mm
Associated sleeve referenceH315
Radial clearance classCN
Mass1,68 kg
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PRODUCT PERFORMANCE
C - Dynamic load244 kN
C0 - Static load249 kN
Cu - Fatigue limit load29,9 kN
e - Coefficient0.22
Y0 - Static axial load coefficient3.06
Y1 - Lower axial load coefficient3.13
Y2 - Upper axial load coefficient4.67
Nref - Reference thermal speed4600 tr/min
Nlim - Mechanical Limit Speed6200 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature200 °C
BEARING FREQUENCIES
BPFO - Characteristic outer ring frequency (60 rpm)8,127 Hz
BPFI - Characteristic inner ring frequency (60 rpm)10,873 Hz
FTF - Characteristic cage frequency (60 rpm)0,428 Hz
BSF - Characteristic rolling element frequency (60 rpm)6,707 Hz
ABUTMENT
da max - Max shoulder diameter IR88,4 mm
da min - Min shoulder diameter IR84 mm
db - Min diameter for Sleeve80 mm
Ce - Min length fro Sleeve12 mm
Da max - Max shoulder diameter OR121 mm
ra max - Max shaft & housing fillet radius1,5 mm
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