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Spherical roller bearings

23240EMW33C3 - SNR

23240EMW33C3

Spherical roller bearing, one-piece machined 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 diameter200 mm
D - External diameter360 mm
B - Bearing/Inner ring width128 mm
D1 - Inner diameter outer ring314,8 mm
rs - Min fillet radius4 mm
Number of lubrication holes3 ou 8
b - Groove width18,77 mm
k - Hole diameter9 mm
Radial clearance classC3
Mass55,8 kg
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PRODUCT PERFORMANCE
C - Dynamic load2250 kN
C0 - Static load2840 kN
Cu - Fatigue limit load253 kN
e - Coefficient0.34
Y0 - Static axial load coefficient1.93
Y1 - Lower axial load coefficient1.98
Y2 - Upper axial load coefficient2.94
N ref - Reference thermal speed1100 tr/min
N lim - Mechanical Limit Speed1700 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature200 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)7,621 Hz
BPFI - Over rolling frequency on inner (60 rpm)10,379 Hz
BSF - Over rolling frequency on rolling element (60 rpm)6,212 Hz
BRF - Rotational frequency – rolling element (60 rpm)3,106 Hz
FTF - Rotational frequency - cage (60 rpm)0,423 Hz
ABUTMENT
da max - Max shoulder diameter IR0 mm
da min - Min shoulder diameter IR217 mm
Da max - Max shoulder diameter OR343 mm
ra max - Max shaft & housing fillet radius3 mm
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