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SKF / Self-aligning ball bearings

SKF 2309 EM/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
36 mm
Dynamic load ratingC
63.7 kN
Static load ratingC0
19.3 kN
Limiting speednG
9000 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
WidthB36 mm
Basic dynamic load ratingC63.7 kN
Basic static load ratingC019.3 kN
Reference speednref13000 r/min
Limiting speednG9000 r/min
Mass≈m1.33 kg
Internal clearanceC3
SealingWithout
CageMachined brass
Bearing materialBearing steel
LubricantNone
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter45.0 mm
Outside diameter100.0 mm
Width36.0 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 weight1.33 kg
eClass code23-05-08-06
UNSPSC code31171532
Performance4 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating63.7 kN
Basic static load rating19.3 kN
Reference speed13000.0 r/min
Limiting speed9000.0 r/min
Properties13 parameters
Properties
ParameterSymbolValue
Retaining feature, inner ringNone
Locating feature, bearing outer ringWithout
Number of rows2
Bore typeCylindrical
CageMachined brass
Radial internal clearanceC3
Tolerance classNormal
Material, bearingBearing steel
CoatingWithout
SealingWithout
LubricantNone
Relubrication featureWithout
Indicative carbon footprint for new product4.9 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF 2309 EM/C3
Document matching
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