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TIMKEN / Tdo - tapered double outer

TIMKEN M238849-903B2

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

Technical data available
Bore diameterd
187.325 mm
Outside diameterD
269.875 mm
WidthB
119.062 mm
Dynamic load ratingC
955 kN
Static load ratingC0
2000 kN
Mass≈m
20.47 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
SeriesM238800
Variant / constructionTDO - Tapered Double Outer
Bore diameterd187.325 mm
Outside diameterD269.875 mm
WidthB119.062 mm
Basic dynamic load ratingC955 kN
Basic static load ratingC02000 kN
Mass≈m20.47 kg
Precision classABMA Class 3
SealingOpen
CageSteel cage
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor1.76
Y1 Factor2.03
Y2 Factor3.02
Y0 Factor1.98
E Factor0.33
Cg Factor0.1201
Manufacturer Identity9 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number000000000100185667
World Assembly Part NumberM238849_M238810CD
Inner Ring Part NumberM238849
Outer Ring Part NumberM238810CD
Drawing NumberC-44039
Upc0053893538808
Official Source SystemCORE BP - DS DF
Official Last Run2026-08-23T20:02:48.4
Product Identity4 parameters
Product Identity
ParameterSymbolValue
Type DescriptionTDO - Tapered Double Outer
ConstructionDouble Row Tapered Roller Bearing Assembly | Imperial Series | 7.3750 in Bore | 10.6250 in OD | 4.6875 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class 3
Number Of Rows2
Tapered BoreN
Technical Data10 parameters
Technical Data
ParameterSymbolValue
Overall Width0.000 mm
Radial Rating247,000 N
Axial Rating80,900 N
Dynamic Rating C1955,000 N
Dynamic Rating C90247,000 N
Dynamic Axial Rating Ca9080,900 N
Dynamic Axial Rating Ca1312,000 N
Static Radial Rating C02,000,000 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A968,000 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 M238849-903B2
Document matching
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