TIMKEN LM665949-902A5

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

Technical data available

Bore diameterd: 385.762 mm
Outside diameterD: 514.35 mm
WidthB: 177.8 mm
Dynamic load ratingC: 2360 kN
Static load ratingC0: 6320 kN
Mass≈m: 93.91 kg

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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
Parameter	Symbol	Value
Series		LM665900
Variant / construction		TDO - Tapered Double Outer
Bore diameter	d	385.762 mm
Outside diameter	D	514.35 mm
Width	B	177.8 mm
Basic dynamic load rating	C	2360 kN
Basic static load rating	C0	6320 kN
Mass	≈m	93.91 kg
Precision class		ABMA Class 2
Sealing		Open
Cage		Steel cage

Calculation Factors6 parameters

Calculation Factors
Parameter	Symbol	Value
K Factor		1.40
Y1 Factor		1.61
Y2 Factor		2.40
Y0 Factor		1.58
E Factor		0.42
Cg Factor		0.2155

Manufacturer Identity9 parameters

Manufacturer Identity
Parameter	Symbol	Value
Brand		Timken
Material Number		000000000100116778
World Assembly Part Number		LM665949_LM665910CD
Inner Ring Part Number		LM665949
Outer Ring Part Number		LM665910CD
Drawing Number		E-35344
Upc		0053893661407
Official Source System		CORE BP - DS DF
Official Last Run		2026-08-23T20:02:48.5

Product Identity4 parameters

Product Identity
Parameter	Symbol	Value
Type Description		TDO - Tapered Double Outer
Construction		Double Row Tapered Roller Bearing Assembly \| Imperial Series \| 15.1875 in Bore \| 20.2500 in OD \| 7.0000 in Width \| Open \| Cylindrical Bore \| Steel Cage \| Precision ABMA Class 2
Number Of Rows		2
Tapered Bore		N

Technical Data10 parameters

Technical Data
Parameter	Symbol	Value
Overall Width		0.000 mm
Radial Rating		611,000 N
Axial Rating		251,000 N
Dynamic Rating C1		2,360,000 N
Dynamic Rating C90		611,000 N
Dynamic Axial Rating Ca90		251,000 N
Dynamic Axial Rating Ca1		969,000 N
Static Radial Rating C0		6,320,000 N
Extended Dynamic Rating Ce		0 N
Static Axial Rating C0A		3,850,000 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 LM665949-902A5
Document matching: Exact designation, assembly scope, revision and units must agree.

No verified redistributable CAD or manufacturer PDF is registered for this exact model. A catalogue image is not a dimensioned drawing. Missing technical files are not generated or replaced with unrelated models.

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