TIMKEN LM522549-90017

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

Technical data available

Bore diameterd: 109.987 mm
Outside diameterD: 159.987 mm
WidthB: 74.612 mm
Dynamic load ratingC: 404 kN
Static load ratingC0: 714 kN
Mass≈m: 4.84 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		LM522500
Variant / construction		TDO - Tapered Double Outer
Bore diameter	d	109.987 mm
Outside diameter	D	159.987 mm
Width	B	74.612 mm
Basic dynamic load rating	C	404 kN
Basic static load rating	C0	714 kN
Mass	≈m	4.84 kg
Precision class		ABMA Class 2
Sealing		Open
Cage		Steel cage

Calculation Factors6 parameters

Calculation Factors
Parameter	Symbol	Value
K Factor		1.45
Y1 Factor		1.68
Y2 Factor		2.50
Y0 Factor		1.64
E Factor		0.40
Cg Factor		0.1576

Manufacturer Identity9 parameters

Manufacturer Identity
Parameter	Symbol	Value
Brand		Timken
Material Number		000000000100133226
World Assembly Part Number		LM522549_LM522510D
Inner Ring Part Number		LM522549
Outer Ring Part Number		LM522510D
Drawing Number		A-21921
Upc		0053893797847
Official Source System		CORE BP - DS DF
Official Last Run		2026-08-23T20:02:47.077

Product Identity4 parameters

Product Identity
Parameter	Symbol	Value
Type Description		TDO - Tapered Double Outer
Construction		Double Row Tapered Roller Bearing Assembly \| Imperial Series \| 4.3302 in Bore \| 6.2987 in OD \| 2.9375 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		105,000 N
Axial Rating		41,400 N
Dynamic Rating C1		404,000 N
Dynamic Rating C90		105,000 N
Dynamic Axial Rating Ca90		41,400 N
Dynamic Axial Rating Ca1		160,000 N
Static Radial Rating C0		714,000 N
Extended Dynamic Rating Ce		0 N
Static Axial Rating C0A		418,000 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 LM522549-90017
Document matching: Exact designation, assembly scope, revision and units must agree.

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