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Double-row self-aligning ball bearings

1309SKC3 - NTN

1309SKC3

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

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter45 mm
D - External diameter100 mm
B - Bearing/Inner ring width25 mm
rs - Min fillet radius1,5 mm
Associated sleeve referenceH309X
Radial clearance classC3
Precision classP0
Mass0,971 kg
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PRODUCT PERFORMANCE
C - Dynamic load38,5 kN
C0 - Static load12,7 kN
Cu - Fatigue limit load0,33 kN
e - Coefficient0.25
Y0 - Static axial load coefficient2.7
Y1 - Lower axial load coefficient2.6
Y2 - Upper axial load coefficient4
N lim - Oil lubrication limit speed7500 tr/min
N lim - Grease lubrication limit speed6000 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da min - Min shoulder diameter IR53 mm
da max - Max shoulder diameter IR61 mm
db - Min diameter for Sleeve49 mm
Ce - Min length fro Sleeve5 mm
Da max - Max shoulder diameter OR92 mm
ra max - Max shaft & housing fillet radius1,5 mm
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