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TIMKEN / Ts - tapered single

TIMKEN K9278 / K9220

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

Technical data available
Bore diameterd
68.262 mm
Outside diameterD
161.925 mm
WidthB
49.213 mm
Dynamic load ratingC
353 kN
Static load ratingC0
330 kN
Mass≈m
4.52 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 specifications8 parameters
Core specifications
ParameterSymbolValue
Series9200
Variant / constructionTS - Tapered Single
Bore diameterd68.262 mm
Outside diameterD161.925 mm
WidthB49.213 mm
Basic dynamic load ratingC353 kN
Basic static load ratingC0330 kN
Mass≈m4.52 kg
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor0.82
Y1 Factor0.85
Y2 Factor-1.00
Y0 Factor0.47
E Factor0.71
Cg Factor0.0925
Manufacturer Identity7 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number190036619190036618
World Assembly Part NumberK9278 / K9220
Inner Ring Part NumberK9278
Outer Ring Part NumberK9220
Official Source SystemTS_PREPAIR
Official Last Run2026-08-23T00:00:00
Product Identity3 parameters
Product Identity
ParameterSymbolValue
Type DescriptionTS - Tapered Single
Number Of Rows1
Tapered BoreN
Technical Data10 parameters
Technical Data
ParameterSymbolValue
Overall Width50.638 mm
Radial Rating91,400 N
Axial Rating111,000 N
Dynamic Rating C1353,000 N
Dynamic Rating C9091,400 N
Dynamic Axial Rating Ca90111,000 N
Dynamic Axial Rating Ca1428,000 N
Static Radial Rating C0330,000 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A682,000 N

Technical documents & data sheet

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Record identity
TIMKEN K9278 / K9220
Document matching
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