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TIMKEN / Tdo - tapered double outer

TIMKEN 938-90089

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

Technical data available
Bore diameterd
114.3 mm
Outside diameterD
212.725 mm
WidthB
142.875 mm
Dynamic load ratingC
996 kN
Static load ratingC0
1570 kN
Mass≈m
20.38 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
Series935
Variant / constructionTDO - Tapered Double Outer
Bore diameterd114.3 mm
Outside diameterD212.725 mm
WidthB142.875 mm
Basic dynamic load ratingC996 kN
Basic static load ratingC01570 kN
Mass≈m20.38 kg
Precision classABMA Class 2
SealingOpen
CageSteel cage
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor1.79
Y1 Factor2.07
Y2 Factor3.09
Y0 Factor2.03
E Factor0.33
Cg Factor0.1153
Manufacturer Identity9 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number000000000100156244
World Assembly Part Number938_932CD
Inner Ring Part Number938
Outer Ring Part Number932CD
Drawing NumberC-46778
Upc0053893101262
Official Source SystemCORE BP - DS DF
Official Last Run2026-08-23T20:02:46.327
Product Identity4 parameters
Product Identity
ParameterSymbolValue
Type DescriptionTDO - Tapered Double Outer
ConstructionDouble Row Tapered Roller Bearing Assembly | Imperial Series | 4.5000 in Bore | 8.3750 in OD | 5.6250 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 Rating258,000 N
Axial Rating82,700 N
Dynamic Rating C1996,000 N
Dynamic Rating C90258,000 N
Dynamic Axial Rating Ca9082,700 N
Dynamic Axial Rating Ca1319,000 N
Static Radial Rating C01,570,000 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A746,000 N

Technical documents & data sheet

This product page is a BearingScope catalogue reference, not a manufacturer-certified drawing. Preserve the full brand and designation when comparing files.

Record identity
TIMKEN 938-90089
Document matching
Exact designation, assembly scope, revision and units must agree.

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