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Double-row self-aligning ball bearings

2218SKC3 - NTN

2218SKC3

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

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter90 mm
D - External diameter160 mm
B - Bearing/Inner ring width40 mm
rs - Min fillet radius2 mm
Associated sleeve referenceH318X
Radial clearance classC3
Precision classP0
Mass3,22 kg
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PRODUCT PERFORMANCE
C - Dynamic load70,5 kN
C0 - Static load28,7 kN
Cu - Fatigue limit load1,8 kN
e - Coefficient0.27
Y0 - Static axial load coefficient2.5
Y1 - Lower axial load coefficient2.4
Y2 - Upper axial load coefficient3.7
N lim - Oil lubrication limit speed4300 tr/min
N lim - Grease lubrication limit speed3600 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da min - Min shoulder diameter IR99 mm
da max - Max shoulder diameter IR112 mm
db - Min diameter for Sleeve96 mm
Ce - Min length fro Sleeve10 mm
Da max - Max shoulder diameter OR151 mm
ra max - Max shaft & housing fillet radius2 mm
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