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2311KC3 - SNR

2311KC3

Self-aligning ball bearing, pressed steel cage, tapered bore, open

Documentation

Product information

PRODUCT DEFINITION
BrandSNR
d - Internal diameter55 mm
D - External diameter120 mm
B - Bearing/Inner ring width43 mm
d1 - External diameter inner ring71,5 mm
D1 - Inner diameter outer ring100,4 mm
rs - Min fillet radius2 mm
Associated sleeve referenceH2311
Radial clearance classC3
Precision classP0
Mass2,26 kg
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PRODUCT PERFORMANCE
C - Dynamic load75,2 kN
C0 - Static load24 kN
Cu - Fatigue limit load1,09 kN
e - Coefficient0.42
Y0 - Static axial load coefficient1.58
Y1 - Lower axial load coefficient1.51
Y2 - Upper axial load coefficient2.33
N ref - Reference thermal speed6900 tr/min
N lim - Mechanical Limit Speed7800 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)4,721 Hz
BPFI - Over rolling frequency on inner (60 rpm)7,279 Hz
BSF - Over rolling frequency on rolling element (60 rpm)4,315 Hz
BRF - Rotational frequency – rolling element (60 rpm)2,158 Hz
FTF - Rotational frequency - cage (60 rpm)0,393 Hz
ABUTMENT
da min - Min shoulder diameter IR64 mm
da max - Max shoulder diameter IR69 mm
db - Min diameter for Sleeve61 mm
Ce - Min length fro Sleeve6 mm
Da max - Max shoulder diameter OR111 mm
ra max - Max shaft & housing fillet radius2 mm
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