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683/672

Inch Design Tapered Roller Bearings
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Parts Number
683/672 Inch Series Tapered Roller Bearings
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Parts Number

683/672

Boundary Dimensions

d 95.25 mm Bore diameter
D 168.275 mm Outside diameter
T 41.275 mm Total width
B 41.275 mm Width of inner ring
C 30.162 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 274000 N Basic dynamic load rating
C0r 345000 N Basic static load rating

Speeds

Grease 2000 min-1 Grease lubrication
Oil (Oil-bath) 2800 min-1 Oil-bath lubrication

Dimensions

a 38.3 mm Effective load center

Abutment and Fillet Dimensions

da 113 mm Diameter of shaft abutment
Da 149 mm Diameter of housing abutment
db 106 mm Diameter of shaft abutment
Db 160 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 0.47 Constant
Y0 0.7 Axial load Factors
Y1 1.3 Axial load Factors

Mass

CONE (approx.) 2.47 kg
CUP (approx.) 1.24 kg
CAD
More Information
NSK Product Type2 TRBSR_ID
NSK Product Type Bearing
Designations 683/672

© NSK Ltd.

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