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TIMKEN / Tdo - tapered double outer

TIMKEN LM286249AA-904A9

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

Technical data available
Bore diameterd
863.6 mm
Outside diameterD
1130.3 mm
WidthB
371.475 mm
Dynamic load ratingC
11400 kN
Static load ratingC0
34800 kN
Mass≈m
951.15 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
SeriesLM286200
Variant / constructionTDO - Tapered Double Outer
Bore diameterd863.6 mm
Outside diameterD1130.3 mm
WidthB371.475 mm
Basic dynamic load ratingC11400 kN
Basic static load ratingC034800 kN
Mass≈m951.15 kg
Precision classABMA Class 4
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 Factor0.3933
Manufacturer Identity9 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number000000000100149050
World Assembly Part NumberLM286249AA_LM286210CD
Inner Ring Part NumberLM286249AA
Outer Ring Part NumberLM286210CD
Drawing NumberE-40422
Upc0053893125718
Official Source SystemCORE BP - DS DF
Official Last Run2026-08-23T20:02:48.503
Product Identity4 parameters
Product Identity
ParameterSymbolValue
Type DescriptionTDO - Tapered Double Outer
ConstructionDouble Row Tapered Roller Bearing Assembly | Imperial Series | 34.0000 in Bore | 44.5000 in OD | 14.6250 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class 4
Number Of Rows2
Tapered BoreN
Technical Data10 parameters
Technical Data
ParameterSymbolValue
Overall Width0.000 mm
Radial Rating2,940,000 N
Axial Rating963,000 N
Dynamic Rating C111,400,000 N
Dynamic Rating C902,940,000 N
Dynamic Axial Rating Ca90963,000 N
Dynamic Axial Rating Ca13,710,000 N
Static Radial Rating C034,800,000 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A16,900,000 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 LM286249AA-904A9
Document matching
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