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Double-row self-aligning ball bearings

2309KC3 - SNR

2309KC3

Self-aligning ball bearing, pressed steel cage, tapered bore, open

Documentation

Product information

PRODUCT DEFINITION
BrandSNR
d - Internal diameter45 mm
D - External diameter100 mm
B - Bearing/Inner ring width36 mm
d1 - External diameter inner ring59,7 mm
D1 - Inner diameter outer ring84,1 mm
rs - Min fillet radius1,5 mm
Associated sleeve referenceH2309
Radial clearance classC3
Precision classP0
Mass1,25 kg
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PRODUCT PERFORMANCE
C - Dynamic load54 kN
C0 - Static load16,6 kN
Cu - Fatigue limit load0,75 kN
e - Coefficient0.43
Y0 - Static axial load coefficient1.55
Y1 - Lower axial load coefficient1.48
Y2 - Upper axial load coefficient2.29
N ref - Reference thermal speed7800 tr/min
N lim - Mechanical Limit Speed9300 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)4,725 Hz
BPFI - Over rolling frequency on inner (60 rpm)7,275 Hz
BSF - Over rolling frequency on rolling element (60 rpm)4,323 Hz
BRF - Rotational frequency – rolling element (60 rpm)2,162 Hz
FTF - Rotational frequency - cage (60 rpm)0,394 Hz
ABUTMENT
da min - Min shoulder diameter IR53 mm
da max - Max shoulder diameter IR59 mm
db - Min diameter for Sleeve50 mm
Ce - Min length fro Sleeve5 mm
Da max - Max shoulder diameter OR92 mm
ra max - Max shaft & housing fillet radius1,5 mm
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