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TIMKEN / Tdo - tapered double outer

TIMKEN M667944-90050

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
185.738 mm
Dynamic load ratingC
3250 kN
Static load ratingC0
7880 kN
Mass≈m
118.85 kg

Use this page as a technical reference. Verify the current manufacturer specification and the complete application requirements before selection.

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
ParameterSymbolValue
SeriesM667900
Variant / constructionTDO - Tapered Double Outer
Bore diameterd406.4 mm
Outside diameterD546.1 mm
WidthB185.738 mm
Basic dynamic load ratingC3250 kN
Basic static load ratingC07880 kN
Mass≈m118.85 kg
Precision classABMA Class 2
SealingOpen
CageSteel cage
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor1.40
Y1 Factor1.62
Y2 Factor2.41
Y0 Factor1.58
E Factor0.42
Cg Factor0.2316
Manufacturer Identity9 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number000000000100130338
World Assembly Part NumberM667944_M667911D
Inner Ring Part NumberM667944
Outer Ring Part NumberM667911D
Drawing NumberE-27604
Upc0053893661926
Official Source SystemCORE BP - DS DF
Official Last Run2026-08-23T20:02:48.497
Product Identity4 parameters
Product Identity
ParameterSymbolValue
Type DescriptionTDO - Tapered Double Outer
ConstructionDouble Row Tapered Roller Bearing Assembly | Imperial Series | 16.0000 in Bore | 21.5000 in OD | 7.3125 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class 2
Number Of Rows2
Tapered BoreN
Technical Data10 parameters
Technical Data
ParameterSymbolValue
Overall Width0.000 mm
Radial Rating843,000 N
Axial Rating346,000 N
Dynamic Rating C13,250,000 N
Dynamic Rating C90843,000 N
Dynamic Axial Rating Ca90346,000 N
Dynamic Axial Rating Ca11,330,000 N
Static Radial Rating C07,880,000 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A4,790,000 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 M667944-90050
Document matching
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