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SKF / Angular contact ball bearings

SKF 3309 A-Z/C3

Double row angular contact ball bearing with seals or shields technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
45 mm
Outside diameterD
100 mm
WidthB
39.7 mm
Dynamic load ratingC
75 kN
Static load ratingC0
53 kN
Limiting speednG
6700 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 specifications13 parameters
Core specifications
ParameterSymbolValue
Variant / constructionAngular contact ball bearings
Bore diameterd45 mm
Outside diameterD100 mm
WidthB39.7 mm
Basic dynamic load ratingC75 kN
Basic static load ratingC053 kN
Reference speednref7500 r/min
Limiting speednG6700 r/min
Mass≈m1.29 kg
SealingShield on one side
CageSheet metal
Bearing materialBearing steel
LubricantGrease
Dimensions4 parameters
Dimensions
ParameterSymbolValue
Bore diameter45.0 mm
Outside diameter100.0 mm
Width39.7 mm
Contact angle30.0 °
Product identity5 parameters
Product identity
ParameterSymbolValue
Official product categoryAngular contact ball bearings
Official taxonomy path/products/rolling-bearings/ball-bearings/angular-contact-ball-bearings/double-row-angular-contact-ball-bearings
Structure group IDBA2_001
Available from SKFYes
RemanufacturableNo
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight1.29 kg
eClass code23-05-08-03
UNSPSC code31171531
Performance5 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating75.0 kN
Basic static load rating53.0 kN
Reference speed7500.0 r/min
Limiting speed6700.0 r/min
SKF performance classSKF Explorer
Properties16 parameters
Properties
ParameterSymbolValue
Contact typeNormal contact (two-point contact)
Number of rows2
Locating feature, bearing outer ringWithout
Ring typeOne-piece inner and outer rings
CageSheet metal
Arrangement of contact angle (double-row bearing)Back-to-back (O)
Matched arrangementNo
Universal matching bearingNo
Axial internal clearanceC3
Material, bearingBearing steel
CoatingWithout
SealingShield on one side
Sealing typeNon-contact
LubricantGrease
Relubrication featureWithout
Indicative carbon footprint for new product4.8 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF 3309 A-Z/C3
Document matching
Exact designation, assembly scope, revision and units must agree.

No verified redistributable CAD or manufacturer PDF is registered for this exact model. A catalogue image is not a dimensioned drawing. Missing technical files are not generated or replaced with unrelated models.

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