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39250/39412

Inch Design Tapered Roller Bearings
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Parts Number
39250/39412 Inch Series Tapered Roller Bearings
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Display units

Parts Number

39250/39412

Boundary Dimensions

d 63.5 mm Bore diameter
D 104.775 mm Outside diameter
T 21.433 mm Total width
B 22 mm Width of inner ring
C 15.875 mm Width of outer ring
Cup r (min.) 2 mm Chamfer dimension of outer ring (Cup)
Cone r (min.) 2 mm Chamfer dimension of inner ring (Cone)

Basic Load Ratings

Cr 88000 N Basic dynamic load rating
C0r 91500 N Basic static load rating

Speeds

Grease 3400 min-1 Grease lubrication
Oil (Oil-bath) 4500 min-1 Oil-bath lubrication

Dimensions

a 20 mm Effective load center

Abutment and Fillet Dimensions

da 73 mm Diameter of shaft abutment
Da 96 mm Diameter of housing abutment
db 69 mm Diameter of shaft abutment
Db 100 mm Diameter of housing abutment
ra (max.) 2 mm Radius of shaft or housing fillet of inner ring
ra (max.) 2 mm Radius of shaft or housing fillet of outer ring

Calculation factors

e 0.39 Constant
Y0 0.85 Axial load Factors
Y1 1.5 Axial load Factors

Mass

CONE (approx.) 0.501 kg
CUP (approx.) 0.186 kg
CAD
More Information
NSK Product Type2 TRBSR_ID
NSK Product Type Bearing
Designations 39250/39412

© NSK Ltd.

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