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496/493

Inch Design Tapered Roller Bearings
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Parts Number
496/493 Inch Series Tapered Roller Bearings
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Display units

Parts Number

496/493

Boundary Dimensions

d 80.962 mm Bore diameter
D 136.525 mm Outside diameter
T 30.162 mm Total width
B 29.769 mm Width of inner ring
C 22.225 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 160000 N Basic dynamic load rating
C0r 192000 N Basic static load rating

Speeds

Grease 2600 min-1 Grease lubrication
Oil (Oil-bath) 3400 min-1 Oil-bath lubrication

Dimensions

a 28.7 mm Effective load center

Abutment and Fillet Dimensions

da 95 mm Diameter of shaft abutment
Da 122 mm Diameter of housing abutment
db 89 mm Diameter of shaft abutment
Db 130 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 0.44 Constant
Y0 0.74 Axial load Factors
Y1 1.4 Axial load Factors

Mass

CONE (approx.) 1.13 kg
CUP (approx.) 0.55 kg
CAD
More Information
NSK Product Type2 TRBSR_ID
NSK Product Type Bearing
Designations 496/493

© NSK Ltd.

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