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SKF / Self-aligning ball bearings

SKF 1309 ETN9/C3

Self-aligning ball bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
45 mm
Outside diameterD
100 mm
WidthB
25 mm
Dynamic load ratingC
39 kN
Static load ratingC0
13.4 kN
Limiting speednG
8500 r/min

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 specifications14 parameters
Core specifications
ParameterSymbolValue
Variant / constructionSelf-aligning ball bearings
Bore diameterd45 mm
Outside diameterD100 mm
WidthB25 mm
Basic dynamic load ratingC39 kN
Basic static load ratingC013.4 kN
Reference speednref12000 r/min
Limiting speednG8500 r/min
Mass≈m0.925 kg
Internal clearanceC3
SealingWithout
CageNon-metallic
Bearing materialBearing steel
LubricantNone
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter45.0 mm
Outside diameter100.0 mm
Width25.0 mm
Product identity4 parameters
Product identity
ParameterSymbolValue
Official product categorySelf-aligning ball bearings
Official taxonomy path/products/rolling-bearings/ball-bearings/self-aligning-ball-bearings
Available from SKFYes
RemanufacturableNo
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight0.925 kg
eClass code23-05-08-06
UNSPSC code31171532
Performance4 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating39.0 kN
Basic static load rating13.4 kN
Reference speed12000.0 r/min
Limiting speed8500.0 r/min
Properties13 parameters
Properties
ParameterSymbolValue
Retaining feature, inner ringNone
Locating feature, bearing outer ringWithout
Number of rows2
Bore typeCylindrical
CageNon-metallic
Radial internal clearanceC3
Tolerance classNormal
Material, bearingBearing steel
CoatingWithout
SealingWithout
LubricantNone
Relubrication featureWithout
Indicative carbon footprint for new product3.4 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF 1309 ETN9/C3
Document matching
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