TIMKEN HM262748-902B5

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

Technical data available

Bore diameterd: 346.075 mm
Outside diameterD: 488.95 mm
WidthB: 200.025 mm
Dynamic load ratingC: 3250 kN
Static load ratingC0: 6890 kN
Mass≈m: 110.59 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		HM262700
Variant / construction		TDO - Tapered Double Outer
Bore diameter	d	346.075 mm
Outside diameter	D	488.95 mm
Width	B	200.025 mm
Basic dynamic load rating	C	3250 kN
Basic static load rating	C0	6890 kN
Mass	≈m	110.59 kg
Precision class		ABMA Class 2
Sealing		Open
Cage		Steel cage

Calculation Factors6 parameters

Calculation Factors
Parameter	Symbol	Value
K Factor		1.74
Y1 Factor		2.02
Y2 Factor		3.00
Y0 Factor		1.97
E Factor		0.33
Cg Factor		0.1956

Manufacturer Identity9 parameters

Manufacturer Identity
Parameter	Symbol	Value
Brand		Timken
Material Number		000000000190002421
World Assembly Part Number		HM262748_HM262710CD
Inner Ring Part Number		HM262748
Outer Ring Part Number		HM262710CD
Drawing Number		E-47650
Upc		0053893861364
Official Source System		CORE BP - DS DF
Official Last Run		2026-08-23T20:02:48.503

Product Identity4 parameters

Product Identity
Parameter	Symbol	Value
Type Description		TDO - Tapered Double Outer
Construction		Double Row Tapered Roller Bearing Assembly \| Imperial Series \| 13.6250 in Bore \| 19.2500 in OD \| 7.8750 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		842,000 N
Axial Rating		277,000 N
Dynamic Rating C1		3,250,000 N
Dynamic Rating C90		842,000 N
Dynamic Axial Rating Ca90		277,000 N
Dynamic Axial Rating Ca1		1,070,000 N
Static Radial Rating C0		6,890,000 N
Extended Dynamic Rating Ce		0 N
Static Axial Rating C0A		3,360,000 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 HM262748-902B5
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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