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TIMKEN / Tdo - tapered double outer

TIMKEN HM743337-90055

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

Technical data available
Bore diameterd
200.025 mm
Outside diameterD
333.375 mm
WidthB
149.225 mm
Dynamic load ratingC
1600 kN
Static load ratingC0
3140 kN
Mass≈m
49.74 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
SeriesHM743300
Variant / constructionTDO - Tapered Double Outer
Bore diameterd200.025 mm
Outside diameterD333.375 mm
WidthB149.225 mm
Basic dynamic load ratingC1600 kN
Basic static load ratingC03140 kN
Mass≈m49.74 kg
Precision classABMA Class 2
SealingOpen
CageSteel cage
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor1.33
Y1 Factor1.54
Y2 Factor2.29
Y0 Factor1.50
E Factor0.44
Cg Factor0.1433
Manufacturer Identity9 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number000000000100061078
World Assembly Part NumberHM743337_HM743310CD
Inner Ring Part NumberHM743337
Outer Ring Part NumberHM743310CD
Drawing NumberC-45798
Upc0053893679372
Official Source SystemCORE BP - DS DF
Official Last Run2026-08-23T20:02:48.403
Product Identity4 parameters
Product Identity
ParameterSymbolValue
Type DescriptionTDO - Tapered Double Outer
ConstructionDouble Row Tapered Roller Bearing Assembly | Imperial Series | 7.8750 in Bore | 13.1250 in OD | 5.8750 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 Rating414,000 N
Axial Rating179,000 N
Dynamic Rating C11,600,000 N
Dynamic Rating C90414,000 N
Dynamic Axial Rating Ca90179,000 N
Dynamic Axial Rating Ca1689,000 N
Static Radial Rating C03,140,000 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A2,010,000 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 HM743337-90055
Document matching
Exact designation, assembly scope, revision and units must agree.

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