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02474/02420

Inch Design Tapered Roller Bearings
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Parts Number
02474/02420 Inch Series Tapered Roller Bearings
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Display units

Parts Number

02474/02420

Boundary Dimensions

d 28.575 mm Bore diameter
D 68.262 mm Outside diameter
T 22.225 mm Total width
B 22.225 mm Width of inner ring
C 17.462 mm Width of outer ring
Cup r (min.) 1.5 mm Chamfer dimension of outer ring (Cup)
Cone r (min.) 0.8 mm Chamfer dimension of inner ring (Cone)

Basic Load Ratings

Cr 68000 N Basic dynamic load rating
C0r 64000 N Basic static load rating

Speeds

Grease 5600 min-1 Grease lubrication
Oil (Oil-bath) 7500 min-1 Oil-bath lubrication

Dimensions

a 16.9 mm Effective load center

Abutment and Fillet Dimensions

da 36.5 mm Diameter of shaft abutment
Da 59 mm Diameter of housing abutment
db 36 mm Diameter of shaft abutment
Db 63 mm Diameter of housing abutment
ra (max.) 0.8 mm Radius of shaft or housing fillet of inner ring
ra (max.) 1.5 mm Radius of shaft or housing fillet of outer ring

Calculation factors

e 0.42 Constant
Y0 0.79 Axial load Factors
Y1 1.4 Axial load Factors

Mass

CONE (approx.) 0.257 kg
CUP (approx.) 0.152 kg
CAD
More Information
NSK Product Type2 TRBSR_ID
NSK Product Type Bearing
Designations 02474/02420

© NSK Ltd.

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