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TIMKEN / Tdo - tapered double outer

TIMKEN 33281-903A3

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

Technical data available
Bore diameterd
71.438 mm
Outside diameterD
117.475 mm
WidthB
66.675 mm
Dynamic load ratingC
241 kN
Static load ratingC0
394 kN
Mass≈m
2.73 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
Series33000
Variant / constructionTDO - Tapered Double Outer
Bore diameterd71.438 mm
Outside diameterD117.475 mm
WidthB66.675 mm
Basic dynamic load ratingC241 kN
Basic static load ratingC0394 kN
Mass≈m2.73 kg
Precision classABMA Class 3
SealingOpen
CageSteel cage
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor1.34
Y1 Factor1.55
Y2 Factor2.31
Y0 Factor1.51
E Factor0.44
Cg Factor0.1162
Manufacturer Identity9 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number000000000100072260
World Assembly Part Number33281_33462D
Inner Ring Part Number33281
Outer Ring Part Number33462D
Drawing NumberA-34483
Upc0053893278223
Official Source SystemCORE BP - DS DF
Official Last Run2026-08-23T20:02:47.157
Product Identity4 parameters
Product Identity
ParameterSymbolValue
Type DescriptionTDO - Tapered Double Outer
ConstructionPrecision Tapered Roller Bearing Assembly | Imperial Series | 2.8125 in Bore | 4.6250 in OD | 2.6250 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class 3
Number Of Rows2
Tapered BoreN
Technical Data10 parameters
Technical Data
ParameterSymbolValue
Overall Width0.000 mm
Radial Rating62,400 N
Axial Rating26,800 N
Dynamic Rating C1241,000 N
Dynamic Rating C9062,400 N
Dynamic Axial Rating Ca9026,800 N
Dynamic Axial Rating Ca1103,000 N
Static Radial Rating C0394,000 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A250,000 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 33281-903A3
Document matching
Exact designation, assembly scope, revision and units must agree.

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