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3479/3420

Inch Design Tapered Roller Bearings
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Parts Number
3479/3420 Inch Series Tapered Roller Bearings
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Display units

Parts Number

3479/3420

Boundary Dimensions

d 36.512 mm Bore diameter
D 79.375 mm Outside diameter
T 29.37 mm Total width
B 29.771 mm Width of inner ring
C 23.812 mm Width of outer ring
Cup r (min.) 3.3 mm Chamfer dimension of outer ring (Cup)
Cone r (min.) 0.8 mm Chamfer dimension of inner ring (Cone)

Basic Load Ratings

Cr 108000 N Basic dynamic load rating
C0r 106000 N Basic static load rating

Speeds

Grease 4800 min-1 Grease lubrication
Oil (Oil-bath) 6700 min-1 Oil-bath lubrication

Dimensions

a 20 mm Effective load center

Abutment and Fillet Dimensions

da 45.5 mm Diameter of shaft abutment
Da 67 mm Diameter of housing abutment
db 44.5 mm Diameter of shaft abutment
Db 74 mm Diameter of housing abutment
ra (max.) 0.8 mm Radius of shaft or housing fillet of inner ring
ra (max.) 3.3 mm Radius of shaft or housing fillet of outer ring

Calculation factors

e 0.37 Constant
Y0 0.9 Axial load Factors
Y1 1.6 Axial load Factors

Mass

CONE (approx.) 0.429 kg
CUP (approx.) 0.259 kg
CAD
More Information
NSK Product Type2 TRBSR_ID
NSK Product Type Bearing
Designations 3479/3420

© NSK Ltd.

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