TIMKEN M667944-90070

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

Technical data available

Bore diameterd: 406.4 mm
Outside diameterD: 546.1 mm
WidthB: 87.312 mm
Dynamic load ratingC: 1870 kN
Static load ratingC0: 3940 kN
Mass≈m: 57.16 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		M667900
Variant / construction		TS - Tapered Single
Bore diameter	d	406.4 mm
Outside diameter	D	546.1 mm
Width	B	87.312 mm
Basic dynamic load rating	C	1870 kN
Basic static load rating	C0	3940 kN
Mass	≈m	57.16 kg
Precision class		ABMA Class 3
Sealing		Open
Cage		Steel cage

Calculation Factors6 parameters

Calculation Factors
Parameter	Symbol	Value
K Factor		1.40
Y1 Factor		1.44
Y2 Factor		0.00
Y0 Factor		0.79
E Factor		0.42
Cg Factor		0.2316

Manufacturer Identity9 parameters

Manufacturer Identity
Parameter	Symbol	Value
Brand		Timken
Material Number		000000000100130345
World Assembly Part Number		M667944_M667911
Inner Ring Part Number		M667944
Outer Ring Part Number		M667911
Drawing Number		E-29399
Upc		0053893184937
Official Source System		CORE BP - DS DF
Official Last Run		2026-08-23T20:02:48.497

Product Identity4 parameters

Product Identity
Parameter	Symbol	Value
Type Description		TS - Tapered Single
Construction		Precision Tapered Roller Bearing Assembly \| Imperial Series \| 16.0000 in Bore \| 21.5000 in OD \| 3.4375 in Width \| Open \| Cylindrical Bore \| Steel Cage \| Precision ABMA Class 3
Number Of Rows		1
Tapered Bore		N

Technical Data10 parameters

Technical Data
Parameter	Symbol	Value
Overall Width		98.212 mm
Radial Rating		484,000 N
Axial Rating		346,000 N
Dynamic Rating C1		1,870,000 N
Dynamic Rating C90		484,000 N
Dynamic Axial Rating Ca90		346,000 N
Dynamic Axial Rating Ca1		1,330,000 N
Static Radial Rating C0		3,940,000 N
Extended Dynamic Rating Ce		0 N
Static Axial Rating C0A		4,790,000 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 M667944-90070
Document matching: Exact designation, assembly scope, revision and units must agree.

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