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1312 - SNR

1312

Self-aligning ball bearing, pressed steel cage, open

Documentation

Product information

PRODUCT DEFINITION
BrandSNR
d - Internal diameter60 mm
D - External diameter130 mm
B - Bearing/Inner ring width31 mm
d1 - External diameter inner ring87,2 mm
D1 - Inner diameter outer ring111,4 mm
rs - Min fillet radius2,1 mm
Radial clearance classCN
Precision classP0
Mass1,952 kg
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PRODUCT PERFORMANCE
C - Dynamic load56,3 kN
C0 - Static load20,8 kN
Cu - Fatigue limit load0,95 kN
e - Coefficient0.23
Y0 - Static axial load coefficient2.93
Y1 - Lower axial load coefficient2.8
Y2 - Upper axial load coefficient4.33
N ref - Reference thermal speed5600 tr/min
N lim - Mechanical Limit Speed6800 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)6,727 Hz
BPFI - Over rolling frequency on inner (60 rpm)9,273 Hz
BSF - Over rolling frequency on rolling element (60 rpm)6,057 Hz
BRF - Rotational frequency – rolling element (60 rpm)3,029 Hz
FTF - Rotational frequency - cage (60 rpm)0,42 Hz
ABUTMENT
da min - Min shoulder diameter IR71 mm
Da max - Max shoulder diameter OR119 mm
ra max - Max shaft & housing fillet radius2 mm
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