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2690/2631

Inch Design Tapered Roller Bearings
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Parts Number
2690/2631 Inch Series Tapered Roller Bearings
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Display units

Parts Number

2690/2631

Boundary Dimensions

d 29.367 mm Bore diameter
D 66.421 mm Outside diameter
T 23.812 mm Total width
B 25.433 mm Width of inner ring
C 19.05 mm Width of outer ring
Cup r (min.) 1.3 mm Chamfer dimension of outer ring (Cup)
Cone r (min.) 3.5 mm Chamfer dimension of inner ring (Cone)

Basic Load Ratings

Cr 80000 N Basic dynamic load rating
C0r 73000 N Basic static load rating

Speeds

Grease 6000 min-1 Grease lubrication
Oil (Oil-bath) 8000 min-1 Oil-bath lubrication

Dimensions

a 14.3 mm Effective load center

Abutment and Fillet Dimensions

da 41 mm Diameter of shaft abutment
Da 58 mm Diameter of housing abutment
db 35 mm Diameter of shaft abutment
Db 60 mm Diameter of housing abutment
ra (max.) 3.5 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 0.25 Constant
Y0 1.3 Axial load Factors
Y1 2.4 Axial load Factors

Mass

CONE (approx.) 0.242 kg
CUP (approx.) 0.165 kg
CAD
More Information
NSK Product Type2 TRBSR_ID
NSK Product Type Bearing
Designations 2690/2631

© NSK Ltd.

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