TIMKEN LM124449-902A7

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

Technical data available

Bore diameterd: 120.65 mm
Outside diameterD: 166.688 mm
WidthB: 80.962 mm
Dynamic load ratingC: 364 kN
Static load ratingC0: 759 kN
Mass≈m: 4.96 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		LM124400
Variant / construction		TDO - Tapered Double Outer
Bore diameter	d	120.65 mm
Outside diameter	D	166.688 mm
Width	B	80.962 mm
Basic dynamic load rating	C	364 kN
Basic static load rating	C0	759 kN
Mass	≈m	4.96 kg
Precision class		ABMA Class 2
Sealing		Open
Cage		Steel cage

Calculation Factors6 parameters

Calculation Factors
Parameter	Symbol	Value
K Factor		1.99
Y1 Factor		2.30
Y2 Factor		3.42
Y0 Factor		2.25
E Factor		0.29
Cg Factor		0.1510

Manufacturer Identity9 parameters

Manufacturer Identity
Parameter	Symbol	Value
Brand		Timken
Material Number		000000000100016649
World Assembly Part Number		LM124449_LM124410D
Inner Ring Part Number		LM124449
Outer Ring Part Number		LM124410D
Drawing Number		B-77535
Upc		0013992453938
Official Source System		CORE BP - DS DF
Official Last Run		2026-08-23T20:02:47.383

Product Identity4 parameters

Product Identity
Parameter	Symbol	Value
Type Description		TDO - Tapered Double Outer
Construction		Double Row Tapered Roller Bearing Assembly \| Imperial Series \| 4.7500 in Bore \| 6.5625 in OD \| 3.1875 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		94,300 N
Axial Rating		27,300 N
Dynamic Rating C1		364,000 N
Dynamic Rating C90		94,300 N
Dynamic Axial Rating Ca90		27,300 N
Dynamic Axial Rating Ca1		105,000 N
Static Radial Rating C0		759,000 N
Extended Dynamic Rating Ce		0 N
Static Axial Rating C0A		325,000 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 LM124449-902A7
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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