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13687/13621

Inch Design Tapered Roller Bearings
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Parts Number
13687/13621 Inch Series Tapered Roller Bearings
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Display units

Parts Number

13687/13621

Boundary Dimensions

d 38.1 mm Bore diameter
D 69.012 mm Outside diameter
T 19.05 mm Total width
B 19.05 mm Width of inner ring
C 15.083 mm Width of outer ring
Cup r (min.) 2.3 mm Chamfer dimension of outer ring (Cup)
Cone r (min.) 2 mm Chamfer dimension of inner ring (Cone)

Basic Load Ratings

Cr 60000 N Basic dynamic load rating
C0r 61000 N Basic static load rating

Speeds

Grease 5300 min-1 Grease lubrication
Oil (Oil-bath) 7100 min-1 Oil-bath lubrication

Dimensions

a 15.8 mm Effective load center

Abutment and Fillet Dimensions

da 46.5 mm Diameter of shaft abutment
Da 61 mm Diameter of housing abutment
db 43 mm Diameter of shaft abutment
Db 65 mm Diameter of housing abutment
ra (max.) 2 mm Radius of shaft or housing fillet of inner ring
ra (max.) 2.3 mm Radius of shaft or housing fillet of outer ring

Calculation factors

e 0.4 Constant
Y0 0.82 Axial load Factors
Y1 1.5 Axial load Factors

Mass

CONE (approx.) 0.193 kg
CUP (approx.) 0.104 kg
CAD
More Information
NSK Product Type2 TRBSR_ID
NSK Product Type Bearing
Designations 13687/13621

© NSK Ltd.

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