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Spherical roller bearings

22309EF800 - SNR

22309EF800

Spherical roller bearing for vibratory applications, one-piece machined cage, groove and lubrication holes on outer ring, special C4 class clearance

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 diameter45 mm
D - External diameter100 mm
B - Bearing/Inner ring width36 mm
d2 - External diameter inner ring0 mm
D1 - Inner diameter outer ring85,8 mm
rs - Min fillet radius1,5 mm
Number of lubrication holes3
b - Groove width6,43 mm
k - Hole diameter3 mm
Radial clearance classC4 Special
Mass1,369 kg
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PRODUCT PERFORMANCE
C - Dynamic load206 kN
C0 - Static load187 kN
Cu - Fatigue limit load22,8 kN
e - Coefficient0.36
Y0 - Static axial load coefficient1.86
Y1 - Lower axial load coefficient1.9
Y2 - Upper axial load coefficient2.83
N ref - Reference thermal speed5300 tr/min
N lim - Mechanical Limit Speed6700 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature200 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)5,649 Hz
BPFI - Over rolling frequency on inner (60 rpm)8,351 Hz
BSF - Over rolling frequency on rolling element (60 rpm)4,852 Hz
BRF - Rotational frequency – rolling element (60 rpm)2,426 Hz
FTF - Rotational frequency - cage (60 rpm)0,403 Hz
ABUTMENT
da max - Max shoulder diameter IR0 mm
da min - Min shoulder diameter IR54 mm
Da max - Max shoulder diameter OR91 mm
ra max - Max shaft & housing fillet radius1,5 mm
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