TIMKEN EE121140 / 121265

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

Technical data available

Bore diameterd: 355.6 mm
Outside diameterD: 673.1 mm
WidthB: 152.4 mm
Dynamic load ratingC: 3690 kN
Static load ratingC0: 6140 kN
Mass≈m: 235.18 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		121000
Variant / construction		TS - Tapered Single
Bore diameter	d	355.6 mm
Outside diameter	D	673.1 mm
Width	B	152.4 mm
Basic dynamic load rating	C	3690 kN
Basic static load rating	C0	6140 kN
Mass	≈m	235.18 kg
Precision class		ABMA Class 2
Sealing		Open
Cage		Steel cage

Calculation Factors6 parameters

Calculation Factors
Parameter	Symbol	Value
K Factor		1.55
Y1 Factor		1.60
Y2 Factor		0.00
Y0 Factor		0.88
E Factor		0.38
Cg Factor		0.2231

Manufacturer Identity9 parameters

Manufacturer Identity
Parameter	Symbol	Value
Brand		Timken
Material Number		000000000100095084
World Assembly Part Number		EE121140_121265
Inner Ring Part Number		EE121140
Outer Ring Part Number		121265
Drawing Number		E-7717
Upc		0053893478531
Official Source System		CORE BP - DS DF
Official Last Run		2026-08-23T20:02:48.507

Product Identity4 parameters

Product Identity
Parameter	Symbol	Value
Type Description		TS - Tapered Single
Construction		Single Row Tapered Roller Bearing Assembly \| Imperial Series \| 14.0000 in Bore \| 26.5000 in OD \| 6.0000 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		181.600 mm
Radial Rating		957,000 N
Axial Rating		616,000 N
Dynamic Rating C1		3,690,000 N
Dynamic Rating C90		957,000 N
Dynamic Axial Rating Ca90		616,000 N
Dynamic Axial Rating Ca1		2,380,000 N
Static Radial Rating C0		6,140,000 N
Extended Dynamic Rating Ce		0 N
Static Axial Rating C0A		6,720,000 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 EE121140 / 121265
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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