TIMKEN HH258248 / HH258210

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

Technical data available

Bore diameterd: 299.975 mm
Outside diameterD: 495.3 mm
WidthB: 141.288 mm
Dynamic load ratingC: 2870 kN
Static load ratingC0: 5650 kN
Mass≈m: 110.43 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		HH258200
Variant / construction		TS - Tapered Single
Bore diameter	d	299.975 mm
Outside diameter	D	495.3 mm
Width	B	141.288 mm
Basic dynamic load rating	C	2870 kN
Basic static load rating	C0	5650 kN
Mass	≈m	110.43 kg
Precision class		ABMA Class 2
Sealing		Open
Cage		Steel cage

Calculation Factors6 parameters

Calculation Factors
Parameter	Symbol	Value
K Factor		1.76
Y1 Factor		1.80
Y2 Factor		0.00
Y0 Factor		0.99
E Factor		0.33
Cg Factor		0.2048

Manufacturer Identity9 parameters

Manufacturer Identity
Parameter	Symbol	Value
Brand		Timken
Material Number		000000000100136810
World Assembly Part Number		HH258248_HH258210
Inner Ring Part Number		HH258248
Outer Ring Part Number		HH258210
Drawing Number		C-33752
Upc		0053893123141
Official Source System		CORE BP - DS DF
Official Last Run		2026-08-23T20:02:47.677

Product Identity4 parameters

Product Identity
Parameter	Symbol	Value
Type Description		TS - Tapered Single
Construction		Single Row Tapered Roller Bearing Assembly \| Imperial Series \| 11.8100 in Bore \| 19.5000 in OD \| 5.5625 in Width \| Open \| Cylindrical Bore \| Steel Cage \| Precision ABMA Class 2
Number Of Rows		1
Tapered Bore		N

Technical Data10 parameters

Technical Data
Parameter	Symbol	Value
Overall Width		159.488 mm
Radial Rating		744,000 N
Axial Rating		423,000 N
Dynamic Rating C1		2,870,000 N
Dynamic Rating C90		744,000 N
Dynamic Axial Rating Ca90		423,000 N
Dynamic Axial Rating Ca1		1,630,000 N
Static Radial Rating C0		5,650,000 N
Extended Dynamic Rating Ce		0 N
Static Axial Rating C0A		5,480,000 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 HH258248 / HH258210
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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