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71425/71750

Inch Design Tapered Roller Bearings
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Parts Number
71425/71750 Inch Series Tapered Roller Bearings
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Display units

Parts Number

71425/71750

Boundary Dimensions

d 107.95 mm Bore diameter
D 190.5 mm Outside diameter
T 47.625 mm Total width
B 49.212 mm Width of inner ring
C 34.925 mm Width of outer ring
Cup r (min.) 3.3 mm Chamfer dimension of outer ring (Cup)
Cone r (min.) 3.5 mm Chamfer dimension of inner ring (Cone)

Basic Load Ratings

Cr 365000 N Basic dynamic load rating
C0r 465000 N Basic static load rating

Speeds

Grease 1800 min-1 Grease lubrication
Oil (Oil-bath) 2400 min-1 Oil-bath lubrication

Dimensions

a 40.1 mm Effective load center

Abutment and Fillet Dimensions

da 126 mm Diameter of shaft abutment
Da 171 mm Diameter of housing abutment
db 120 mm Diameter of shaft abutment
Db 181 mm Diameter of housing abutment
ra (max.) 3.5 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 0.42 Constant
Y0 0.79 Axial load Factors
Y1 1.4 Axial load Factors

Mass

CONE (approx.) 3.79 kg
CUP (approx.) 1.71 kg
CAD
More Information
NSK Product Type2 TRBSR_ID
NSK Product Type Bearing
Designations 71425/71750

© NSK Ltd.

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