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TIMKEN / Tdo - tapered double outer

TIMKEN NP457655-902A1

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

Technical data available
Bore diameterd
152.4 mm
Outside diameterD
285.75 mm
WidthB
161.05 mm
Dynamic load ratingC
1330 kN
Static load ratingC0
1900 kN
Mass≈m
42.14 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
Series217000
Variant / constructionTDO - Tapered Double Outer
Bore diameterd152.4 mm
Outside diameterD285.75 mm
WidthB161.05 mm
Basic dynamic load ratingC1330 kN
Basic static load ratingC01900 kN
Mass≈m42.14 kg
Precision classABMA Class 2
SealingOpen
CageSteel cage
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor1.45
Y1 Factor1.68
Y2 Factor2.50
Y0 Factor1.64
E Factor0.40
Cg Factor0.1111
Manufacturer Identity9 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number000000000190064422
World Assembly Part NumberNP457655_NP881055
Inner Ring Part NumberNP457655
Outer Ring Part NumberNP881055
Drawing NumberE-58063
Upc0053893833484
Official Source SystemCORE BP - DS DF
Official Last Run2026-08-23T20:02:47.75
Product Identity4 parameters
Product Identity
ParameterSymbolValue
Type DescriptionTDO - Tapered Double Outer
ConstructionDouble Row Tapered Roller Bearing Assembly | Imperial Series | 6.0000 in Bore | 11.2500 in OD | 6.3406 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 Rating344,000 N
Axial Rating136,000 N
Dynamic Rating C11,330,000 N
Dynamic Rating C90344,000 N
Dynamic Axial Rating Ca90136,000 N
Dynamic Axial Rating Ca1524,000 N
Static Radial Rating C01,900,000 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A1,110,000 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 NP457655-902A1
Document matching
Exact designation, assembly scope, revision and units must agree.

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