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Spherical roller bearings

24020EAK30W33C3 - SNR

24020EAK30W33C3

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 diameter150 mm
B - Bearing/Inner ring width50 mm
d2 - External diameter inner ring111,1 mm
D1 - Inner diameter outer ring135,3 mm
rs - Min fillet radius1,5 mm
Number of lubrication holes3
b - Groove width6,07 mm
k - Hole diameter2,5 mm
Associated sleeve referenceH24020
Radial clearance classC3
Mass2,91 kg
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PRODUCT PERFORMANCE
C - Dynamic load361 kN
C0 - Static load479 kN
Cu - Fatigue limit load54,4 kN
e - Coefficient0.29
Y0 - Static axial load coefficient2.3
Y1 - Lower axial load coefficient2.35
Y2 - Upper axial load coefficient3.5
N ref - Reference thermal speed3000 tr/min
N lim - Mechanical Limit Speed4100 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature200 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)10,748 Hz
BPFI - Over rolling frequency on inner (60 rpm)13,252 Hz
BSF - Over rolling frequency on rolling element (60 rpm)9,312 Hz
BRF - Rotational frequency – rolling element (60 rpm)4,656 Hz
FTF - Rotational frequency - cage (60 rpm)0,448 Hz
ABUTMENT
da max - Max shoulder diameter IR0 mm
da min - Min shoulder diameter IR107 mm
Da max - Max shoulder diameter OR143 mm
ra max - Max shaft & housing fillet radius1,5 mm
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