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Spherical roller bearings

22326EAW33C4 - SNR

22326EAW33C4

Spherical roller bearing, pressed steel cage, groove and lubrication holes on outer ring

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 offers as standard, unsurpassed endurance and longevity.

Documentation

Product information

PRODUCT DEFINITION
BrandSNR
d - Internal diameter130 mm
D - External diameter280 mm
B - Bearing/Inner ring width93 mm
d2 - External diameter inner ring164,7 mm
D1 - Inner diameter outer ring243 mm
rs - Min fillet radius4 mm
Number of lubrication holes3 ou 4
b - Groove width18,94 mm
k - Hole diameter9 mm
Radial clearance classC4
Mass26,917 kg
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PRODUCT PERFORMANCE
C - Dynamic load1330 kN
C0 - Static load1400 kN
Cu - Fatigue limit load136 kN
e - Coefficient0.33
Y0 - Static axial load coefficient2.01
Y1 - Lower axial load coefficient2.06
Y2 - Upper axial load coefficient3.06
N ref - Reference thermal speed1800 tr/min
N lim - Mechanical Limit Speed2400 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature200 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)6,076 Hz
BPFI - Over rolling frequency on inner (60 rpm)8,924 Hz
BSF - Over rolling frequency on rolling element (60 rpm)4,961 Hz
BRF - Rotational frequency – rolling element (60 rpm)2,481 Hz
FTF - Rotational frequency - cage (60 rpm)0,405 Hz
ABUTMENT
da max - Max shoulder diameter IR0 mm
da min - Min shoulder diameter IR147 mm
Da max - Max shoulder diameter OR263 mm
ra max - Max shaft & housing fillet radius3 mm
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