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A2047/A2126

Inch Design Tapered Roller Bearings
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Parts Number
A2047/A2126 Inch Series Tapered Roller Bearings
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Display units

Parts Number

A2047/A2126

Boundary Dimensions

d 12 mm Bore diameter
D 31.991 mm Outside diameter
T 10.008 mm Total width
B 10.785 mm Width of inner ring
C 7.938 mm Width of outer ring
Cup r (min.) 1.3 mm Chamfer dimension of outer ring (Cup)
Cone r (min.) 0.8 mm Chamfer dimension of inner ring (Cone)

Basic Load Ratings

Cr 12700 N Basic dynamic load rating
C0r 8900 N Basic static load rating

Speeds

Grease 13000 min-1 Grease lubrication
Oil (Oil-bath) 18000 min-1 Oil-bath lubrication

Dimensions

a 6.8 mm Effective load center

Abutment and Fillet Dimensions

da 16.5 mm Diameter of shaft abutment
Da 26 mm Diameter of housing abutment
db 15.5 mm Diameter of shaft abutment
Db 29 mm Diameter of housing abutment
ra (max.) 0.8 mm Radius of shaft or housing fillet of inner ring
ra (max.) 1.3 mm Radius of shaft or housing fillet of outer ring

Calculation factors

e 0.41 Constant
Y0 0.81 Axial load Factors
Y1 1.5 Axial load Factors

Mass

CONE (approx.) 0.023 kg
CUP (approx.) 0.017 kg
CAD
More Information
NSK Product Type2 TRBSR_ID
NSK Product Type Bearing
Designations A2047/A2126

© NSK Ltd.

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