13889/13830

Inch Design Tapered Roller Bearings
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Parts Number

13889/13830

Boundary Dimensions

d 38.1 mm Bore diameter
D 63.5 mm Outside diameter
T 12.7 mm Total width
B 11.908 mm Width of inner ring
C 9.525 mm Width of outer ring
Cup r (min.) 0.8 mm Chamfer dimension of outer ring (Cup)
Cone r (min.) 1.5 mm Chamfer dimension of inner ring (Cone)

Basic Load Ratings

Cr 29700 N Basic dynamic load rating
C0r 30500 N Basic static load rating

Speeds

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

Dimensions

a 11.9 mm Effective load center

Abutment and Fillet Dimensions

da 45 mm Diameter of shaft abutment
Da 59 mm Diameter of housing abutment
db 42.5 mm Diameter of shaft abutment
Db 60 mm Diameter of housing abutment
ra (max.) 1.5 mm Radius of shaft or housing fillet of inner ring
ra (max.) 0.8 mm Radius of shaft or housing fillet of outer ring

Calculation factors

e 0.35 Constant
Y0 0.95 Axial load Factors
Y1 1.7 Axial load Factors

Mass

CONE (approx.) 0.109 kg
CUP (approx.) 0.046 kg
CAD
More Information
NSK Product Type2 TRBSR_ID
NSK Product Type Bearing
Designations 13889/13830
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