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27687/27620

Inch Design Tapered Roller Bearings
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Parts Number
27687/27620 Inch Series Tapered Roller Bearings
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Display units

Parts Number

27687/27620

Boundary Dimensions

d 82.55 mm Bore diameter
D 125.412 mm Outside diameter
T 25.4 mm Total width
B 25.4 mm Width of inner ring
C 19.845 mm Width of outer ring
Cup r (min.) 1.5 mm Chamfer dimension of outer ring (Cup)
Cone r (min.) 3.5 mm Chamfer dimension of inner ring (Cone)

Basic Load Ratings

Cr 126000 N Basic dynamic load rating
C0r 164000 N Basic static load rating

Speeds

Grease 2600 min-1 Grease lubrication
Oil (Oil-bath) 3600 min-1 Oil-bath lubrication

Dimensions

a 25.7 mm Effective load center

Abutment and Fillet Dimensions

da 96 mm Diameter of shaft abutment
Da 115 mm Diameter of housing abutment
db 89 mm Diameter of shaft abutment
Db 120 mm Diameter of housing abutment
ra (max.) 3.5 mm Radius of shaft or housing fillet of inner ring
ra (max.) 1.5 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.) 0.747 kg
CUP (approx.) 0.348 kg
CAD
More Information
NSK Product Type2 TRBSR_ID
NSK Product Type Bearing
Designations 27687/27620

© NSK Ltd.

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