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1207 - SNR

1207

Self-aligning ball bearing, pressed steel cage, open

Documentation

Product information

PRODUCT DEFINITION
BrandSNR
d - Internal diameter35 mm
D - External diameter72 mm
B - Bearing/Inner ring width17 mm
d1 - External diameter inner ring47,7 mm
D1 - Inner diameter outer ring59 mm
rs - Min fillet radius1,1 mm
Radial clearance classCN
Precision classP0
Mass0,322 kg
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PRODUCT PERFORMANCE
C - Dynamic load15,6 kN
C0 - Static load5,1 kN
Cu - Fatigue limit load0,23 kN
e - Coefficient0.23
Y0 - Static axial load coefficient2.86
Y1 - Lower axial load coefficient2.73
Y2 - Upper axial load coefficient4.23
N ref - Reference thermal speed9600 tr/min
N lim - Mechanical Limit Speed13000 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)6,813 Hz
BPFI - Over rolling frequency on inner (60 rpm)9,187 Hz
BSF - Over rolling frequency on rolling element (60 rpm)6,515 Hz
BRF - Rotational frequency – rolling element (60 rpm)3,258 Hz
FTF - Rotational frequency - cage (60 rpm)0,426 Hz
ABUTMENT
da min - Min shoulder diameter IR41,5 mm
Da max - Max shoulder diameter OR65,5 mm
ra max - Max shaft & housing fillet radius1 mm
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