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1205 - SNR

1205

Self-aligning ball bearing, pressed steel cage, open

Documentation

Product information

PRODUCT DEFINITION
BrandSNR
d - Internal diameter25 mm
D - External diameter52 mm
B - Bearing/Inner ring width15 mm
d1 - External diameter inner ring33,3 mm
D1 - Inner diameter outer ring43,1 mm
rs - Min fillet radius1 mm
Radial clearance classCN
Precision classP0
Mass0,139 kg
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PRODUCT PERFORMANCE
C - Dynamic load11,9 kN
C0 - Static load3,3 kN
Cu - Fatigue limit load0,15 kN
e - Coefficient0.27
Y0 - Static axial load coefficient2.43
Y1 - Lower axial load coefficient2.32
Y2 - Upper axial load coefficient3.59
N ref - Reference thermal speed13000 tr/min
N lim - Mechanical Limit Speed18000 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)4,887 Hz
BPFI - Over rolling frequency on inner (60 rpm)7,113 Hz
BSF - Over rolling frequency on rolling element (60 rpm)5,12 Hz
BRF - Rotational frequency – rolling element (60 rpm)2,56 Hz
FTF - Rotational frequency - cage (60 rpm)0,407 Hz
ABUTMENT
da min - Min shoulder diameter IR30 mm
Da max - Max shoulder diameter OR47 mm
ra max - Max shaft & housing fillet radius1 mm
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