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22211EAKW33ZZ - SNR

22211EAKW33ZZ

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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 diameter55 mm
D - External diameter100 mm
B - Bearing/Inner ring width25 mm
d2 - External diameter inner ring66 mm
D1 - Inner diameter outer ring89,7 mm
rs - Min fillet radius1,5 mm
Number of lubrication holes3
b - Groove width6,35 mm
k - Hole diameter3 mm
Associated sleeve referenceH311
Radial clearance classCN
Mass0,83 kg
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PRODUCT PERFORMANCE
C - Dynamic load155 kN
C0 - Static load148 kN
Cu - Fatigue limit load18 kN
e - Coefficient0.23
Y0 - Static axial load coefficient2.89
Y1 - Lower axial load coefficient2.95
Y2 - Upper axial load coefficient4.39
Nref - Reference thermal speed6100 tr/min
Nlim - Mechanical Limit Speed8200 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature200 °C
BEARING FREQUENCIES
BPFO - Characteristic outer ring frequency (60 rpm)7,618 Hz
BPFI - Characteristic inner ring frequency (60 rpm)10,382 Hz
FTF - Characteristic cage frequency (60 rpm)0,423 Hz
BSF - Characteristic rolling element frequency (60 rpm)6,287 Hz
ABUTMENT
da max - Max shoulder diameter IR66 mm
da min - Min shoulder diameter IR64 mm
db - Min diameter for Sleeve60 mm
Ce - Min length fro Sleeve10 mm
Da max - Max shoulder diameter OR91 mm
ra max - Max shaft & housing fillet radius1,5 mm
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