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Double-row self-aligning ball bearings

2308EEG15 - SNR

2308EEG15

Self-aligning ball bearing, polyamide cage, friction seals on both sides

Documentation

Product information

PRODUCT DEFINITION
BrandSNR
d - Internal diameter40 mm
D - External diameter90 mm
B - Bearing/Inner ring width33 mm
d1 - External diameter inner ring50,6 mm
D1 - Inner diameter outer ring77,9 mm
rs - Min fillet radius1,5 mm
Radial clearance classCN
Precision classP0
Mass0,99 kg
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PRODUCT PERFORMANCE
C - Dynamic load29,4 kN
C0 - Static load9,7 kN
Cu - Fatigue limit load0,44 kN
e - Coefficient0.25
Y0 - Static axial load coefficient2.64
Y1 - Lower axial load coefficient2.52
Y2 - Upper axial load coefficient3.9
N lim - Mechanical Limit Speed4800 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)6,254 Hz
BPFI - Over rolling frequency on inner (60 rpm)8,746 Hz
BSF - Over rolling frequency on rolling element (60 rpm)5,773 Hz
BRF - Rotational frequency – rolling element (60 rpm)2,887 Hz
FTF - Rotational frequency - cage (60 rpm)0,417 Hz
ABUTMENT
da min - Min shoulder diameter IR48 mm
Da max - Max shoulder diameter OR82 mm
ra max - Max shaft & housing fillet radius1,5 mm
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