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Spherical roller bearings

23220EAKW33C2 - SNR

23220EAKW33C2

Spherical roller bearing, pressed steel cage, groove and lubrication holes on outer ring, tapered bore 1:12

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 diameter100 mm
D - External diameter180 mm
B - Bearing/Inner ring width60,3 mm
d2 - External diameter inner ring118,2 mm
D1 - Inner diameter outer ring158,9 mm
rs - Min fillet radius2,1 mm
Number of lubrication holes3
b - Groove width9,44 mm
k - Hole diameter4,5 mm
Associated sleeve referenceH2320
Radial clearance classC2
Mass6,22 kg
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PRODUCT PERFORMANCE
C - Dynamic load586 kN
C0 - Static load661 kN
Cu - Fatigue limit load72,3 kN
e - Coefficient0.31
Y0 - Static axial load coefficient2.13
Y1 - Lower axial load coefficient2.18
Y2 - Upper axial load coefficient3.24
N ref - Reference thermal speed2600 tr/min
N lim - Mechanical Limit Speed3300 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature200 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)7,642 Hz
BPFI - Over rolling frequency on inner (60 rpm)10,358 Hz
BSF - Over rolling frequency on rolling element (60 rpm)6,341 Hz
BRF - Rotational frequency – rolling element (60 rpm)3,171 Hz
FTF - Rotational frequency - cage (60 rpm)0,425 Hz
ABUTMENT
da max - Max shoulder diameter IR0 mm
da min - Min shoulder diameter IR112 mm
db - Min diameter for Sleeve110 mm
Ce - Min length fro Sleeve19 mm
Da max - Max shoulder diameter OR168 mm
ra max - Max shaft & housing fillet radius2 mm
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