TIMKEN HM821547-90011

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

Technical data available

Bore diameterd: 99.979 mm
Outside diameterD: 196.85 mm
WidthB: 103.378 mm
Dynamic load ratingC: 656 kN
Static load ratingC0: 862 kN
Mass≈m: 12.5 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		HM821500
Variant / construction		TDO - Tapered Double Outer
Bore diameter	d	99.979 mm
Outside diameter	D	196.85 mm
Width	B	103.378 mm
Basic dynamic load rating	C	656 kN
Basic static load rating	C0	862 kN
Mass	≈m	12.5 kg
Precision class		ABMA Class 7
Sealing		Open
Cage		Steel cage

Calculation Factors6 parameters

Calculation Factors
Parameter	Symbol	Value
K Factor		0.96
Y1 Factor		1.11
Y2 Factor		1.66
Y0 Factor		1.09
E Factor		0.61
Cg Factor		0.1100

Manufacturer Identity9 parameters

Manufacturer Identity
Parameter	Symbol	Value
Brand		Timken
Material Number		000000000100100106
World Assembly Part Number		HM821547_HM821511D
Inner Ring Part Number		HM821547
Outer Ring Part Number		HM821511D
Drawing Number		B-30876
Upc		0053893697932
Official Source System		CORE BP - DS DF
Official Last Run		2026-08-23T20:02:46.737

Product Identity4 parameters

Product Identity
Parameter	Symbol	Value
Type Description		TDO - Tapered Double Outer
Construction		Double Row Tapered Roller Bearing Assembly \| Imperial Series \| 3.9362 in Bore \| 7.7500 in OD \| 4.0700 in Width \| Open \| Cylindrical Bore \| Steel Cage \| Precision ABMA Class 7
Number Of Rows		2
Tapered Bore		N

Technical Data10 parameters

Technical Data
Parameter	Symbol	Value
Overall Width		0.000 mm
Radial Rating		170,000 N
Axial Rating		101,000 N
Dynamic Rating C1		656,000 N
Dynamic Rating C90		170,000 N
Dynamic Axial Rating Ca90		101,000 N
Dynamic Axial Rating Ca1		391,000 N
Static Radial Rating C0		862,000 N
Extended Dynamic Rating Ce		0 N
Static Axial Rating C0A		761,000 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 HM821547-90011
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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