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TIMKEN / Cylindrical 1-row

TIMKEN A-5228-WM R8

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

Technical data available
Bore diameterd
140 mm
Outside diameterD
250 mm
WidthB
82.55 mm
Dynamic load ratingC
861 kN
Static load ratingC0
1140 kN
Mass≈m
18.3 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 specifications10 parameters
Core specifications
ParameterSymbolValue
SeriesEX27501
Variant / constructionCylindrical 1-Row
Bore diameterd140 mm
Outside diameterD250 mm
WidthB82.55 mm
Basic dynamic load ratingC861 kN
Basic static load ratingC01140 kN
Mass≈m18.3 kg
SealingOpen
CageWindow Brass cage
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor0.00
Y1 Factor0.00
Y2 Factor0.00
Y0 Factor0.00
E Factor0.00
Cg Factor0.1455
Manufacturer Identity9 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number000000000100179771
World Assembly Part NumberA-5228-WM
Inner Ring Part NumberA-5228
Outer Ring Part Number140ERU52
Drawing NumberM901427
Upc0087796020962
Official Source SystemCORE BP - DS DF
Official Last Run2026-08-23T20:02:47.587
Product Identity4 parameters
Product Identity
ParameterSymbolValue
Type DescriptionCylindrical 1-Row
ConstructionSingle Row Cylindrical Roller Bearing | Imperial Series | 5.5118 in Bore | 9.8425 in OD | 3.2500 in Width | Open | Cylindrical Bore | Machined Window Brass Cage | Special Clearance
Number Of Rows1
Tapered BoreN
Technical Data10 parameters
Technical Data
ParameterSymbolValue
Overall Width0.000 mm
Radial Rating861,000 N
Axial Rating0 N
Dynamic Rating C1861,000 N
Dynamic Rating C900 N
Dynamic Axial Rating Ca900 N
Dynamic Axial Rating Ca10 N
Static Radial Rating C01,140,000 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A0 N

Technical documents & data sheet

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Record identity
TIMKEN A-5228-WM R8
Document matching
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