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Spherical roller bearings

24020EAW33 - SNR

24020EAW33

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 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
Radial clearance classCN
Mass2,96 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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