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Double-row self-aligning ball bearings

1318S - NTN

1318S

Self-aligning ball bearing, pressed steel cage, open

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter90 mm
D - External diameter190 mm
B - Bearing/Inner ring width43 mm
B1 - overall width46 mm
rs - Min fillet radius3 mm
Radial clearance classCN
Precision classP0
Mass5,83 kg
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PRODUCT PERFORMANCE
C - Dynamic load117 kN
C0 - Static load44,5 kN
Cu - Fatigue limit load1,2 kN
e - Coefficient0.22
Y0 - Static axial load coefficient2.9
Y1 - Lower axial load coefficient2.8
Y2 - Upper axial load coefficient4.3
N lim - Oil lubrication limit speed3800 tr/min
N lim - Grease lubrication limit speed3200 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da min - Min shoulder diameter IR103 mm
Da max - Max shoulder diameter OR177 mm
ra max - Max shaft & housing fillet radius2,5 mm
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