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44143/44348

Inch Design Tapered Roller Bearings
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Parts Number
44143/44348 Inch Series Tapered Roller Bearings
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Display units

Parts Number

44143/44348

Boundary Dimensions

d 36.512 mm Bore diameter
D 88.501 mm Outside diameter
T 25.4 mm Total width
B 23.698 mm Width of inner ring
C 17.462 mm Width of outer ring
Cup r (min.) 1.5 mm Chamfer dimension of outer ring (Cup)
Cone r (min.) 2.3 mm Chamfer dimension of inner ring (Cone)

Basic Load Ratings

Cr 89500 N Basic dynamic load rating
C0r 81000 N Basic static load rating

Speeds

Grease 4000 min-1 Grease lubrication
Oil (Oil-bath) 5600 min-1 Oil-bath lubrication

Dimensions

a 27.9 mm Effective load center

Abutment and Fillet Dimensions

da 54 mm Diameter of shaft abutment
Da 75 mm Diameter of housing abutment
db 50 mm Diameter of shaft abutment
Db 84 mm Diameter of housing abutment
ra (max.) 2.3 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 0.78 Constant
Y0 0.42 Axial load Factors
Y1 0.77 Axial load Factors

Mass

CONE (approx.) 0.502 kg
CUP (approx.) 0.245 kg
CAD
More Information
NSK Product Type2 TRBSR_ID
NSK Product Type Bearing
Designations 44143/44348

© NSK Ltd.

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