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22220EAW33ZZ - SNR

22220EAW33ZZ

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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 diameter100 mm
D - External diameter180 mm
B - Bearing/Inner ring width46 mm
d2 - External diameter inner ring118,2 mm
D1 - Inner diameter outer ring160,8 mm
rs - Min fillet radius2,1 mm
Number of lubrication holes3
b - Groove width11 mm
k - Hole diameter5 mm
Radial clearance classCN
Mass4,989 kg
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PRODUCT PERFORMANCE
C - Dynamic load472 kN
C0 - Static load495 kN
Cu - Fatigue limit load54,3 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 speed3600 tr/min
Nlim - Mechanical Limit Speed4600 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature200 °C
BEARING FREQUENCIES
BPFO - Characteristic outer ring frequency (60 rpm)7,608 Hz
BPFI - Characteristic inner ring frequency (60 rpm)10,392 Hz
FTF - Characteristic cage frequency (60 rpm)0,423 Hz
BSF - Characteristic rolling element frequency (60 rpm)6,233 Hz
ABUTMENT
da max - Max shoulder diameter IR118,2 mm
da min - Min shoulder diameter IR112 mm
db - Min diameter for Sleeve0 mm
Da max - Max shoulder diameter OR168 mm
ra max - Max shaft & housing fillet radius2 mm
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