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Spherical roller bearings

22309EAKW33C3 - SNR

22309EAKW33C3

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 diameter45 mm
D - External diameter100 mm
B - Bearing/Inner ring width36 mm
d2 - External diameter inner ring58 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
Associated sleeve referenceH2309
Radial clearance classC3
Mass1,34 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
db - Min diameter for Sleeve50 mm
Ce - Min length fro Sleeve5 mm
Da max - Max shoulder diameter OR91 mm
ra max - Max shaft & housing fillet radius1,5 mm
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