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TIMKEN / Ts - tapered single

TIMKEN 9278 / 9220

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
49.212 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 specifications11 parameters
Core specifications
ParameterSymbolValue
Series9200
Variant / constructionTS - Tapered Single
Bore diameterd68.262 mm
Outside diameterD161.925 mm
WidthB49.212 mm
Basic dynamic load ratingC353 kN
Basic static load ratingC0330 kN
Mass≈m4.52 kg
Precision classABMA Class 4
SealingOpen
CageSteel cage
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor0.82
Y1 Factor0.85
Y2 Factor0.00
Y0 Factor0.47
E Factor0.71
Cg Factor0.0984
Manufacturer Identity9 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number000000000100056105
World Assembly Part Number9278_9220
Inner Ring Part Number9278
Outer Ring Part Number9220
Drawing NumberA-22944
Upc0053893653341
Official Source SystemCORE BP - DS DF
Official Last Run2026-08-23T20:02:47.08
Product Identity4 parameters
Product Identity
ParameterSymbolValue
Type DescriptionTS - Tapered Single
ConstructionSingle Row Tapered Roller Bearing Assembly | Imperial Series | 2.6875 in Bore | 6.3750 in OD | 1.9375 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class 4
Number Of Rows1
Tapered BoreN
Technical Data10 parameters
Technical Data
ParameterSymbolValue
Overall Width59.038 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

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 9278 / 9220
Document matching
Exact designation, assembly scope, revision and units must agree.

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