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1204 - SNR

1204

Self-aligning ball bearing, pressed steel cage, open

Documentation

Product information

PRODUCT DEFINITION
BrandSNR
d - Internal diameter20 mm
D - External diameter47 mm
B - Bearing/Inner ring width14 mm
d1 - External diameter inner ring29,2 mm
D1 - Inner diameter outer ring37,3 mm
rs - Min fillet radius1 mm
Radial clearance classCN
Precision classP0
Mass0,117 kg
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PRODUCT PERFORMANCE
C - Dynamic load9,7 kN
C0 - Static load2,6 kN
Cu - Fatigue limit load0,12 kN
e - Coefficient0.27
Y0 - Static axial load coefficient2.41
Y1 - Lower axial load coefficient2.31
Y2 - Upper axial load coefficient3.57
N ref - Reference thermal speed15000 tr/min
N lim - Mechanical Limit Speed21000 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)4,863 Hz
BPFI - Over rolling frequency on inner (60 rpm)7,137 Hz
BSF - Over rolling frequency on rolling element (60 rpm)5,004 Hz
BRF - Rotational frequency – rolling element (60 rpm)2,502 Hz
FTF - Rotational frequency - cage (60 rpm)0,405 Hz
ABUTMENT
da min - Min shoulder diameter IR25 mm
Da max - Max shoulder diameter OR42 mm
ra max - Max shaft & housing fillet radius1 mm
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