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TIMKEN / Tdo - tapered double outer

TIMKEN 14138A-90044

Tapered roller bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
34.925 mm
Outside diameterD
69.012 mm
WidthB
46.04 mm
Dynamic load ratingC
95.1 kN
Static load ratingC0
123 kN
Mass≈m
0.71 kg

Use this page as a technical reference. Verify the current manufacturer specification and the complete application requirements before selection.

Technical data

Product specifications

Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.

Core specifications11 parameters
Core specifications
ParameterSymbolValue
Series14000
Variant / constructionTDO - Tapered Double Outer
Bore diameterd34.925 mm
Outside diameterD69.012 mm
WidthB46.04 mm
Basic dynamic load ratingC95.1 kN
Basic static load ratingC0123 kN
Mass≈m0.71 kg
Precision classABMA Class 2
SealingOpen
CageSteel cage
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor1.53
Y1 Factor1.77
Y2 Factor2.63
Y0 Factor1.73
E Factor0.38
Cg Factor0.0668
Manufacturer Identity9 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number000000000100044878
World Assembly Part Number14138A_14276D
Inner Ring Part Number14138A
Outer Ring Part Number14276D
Drawing NumberA-20631
Upc0053893182988
Official Source SystemCORE BP - DS DF
Official Last Run2026-08-23T20:02:47.077
Product Identity4 parameters
Product Identity
ParameterSymbolValue
Type DescriptionTDO - Tapered Double Outer
ConstructionDouble Row Tapered Roller Bearing Assembly | Imperial Series | 1.3750 in Bore | 2.7170 in OD | 1.8126 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class 2
Number Of Rows2
Tapered BoreN
Technical Data10 parameters
Technical Data
ParameterSymbolValue
Overall Width0.000 mm
Radial Rating24,600 N
Axial Rating9,260 N
Dynamic Rating C195,100 N
Dynamic Rating C9024,600 N
Dynamic Axial Rating Ca909,260 N
Dynamic Axial Rating Ca135,700 N
Static Radial Rating C0123,000 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A68,700 N

Technical documents & data sheet

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Record identity
TIMKEN 14138A-90044
Document matching
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