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SKF / Self-aligning ball bearings

SKF 2303

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

Technical data available
Bore diameterd
17 mm
Outside diameterD
47 mm
WidthB
19 mm
Dynamic load ratingC
14.3 kN
Static load ratingC0
3.55 kN
Limiting speednG
22000 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 specifications15 parameters
Core specifications
ParameterSymbolValue
Variant / constructionSelf-aligning ball bearings
Bore diameterd17 mm
Outside diameterD47 mm
WidthB19 mm
Basic dynamic load ratingC14.3 kN
Basic static load ratingC03.55 kN
Fatigue load limitPu0.183 kN
Reference speednref30000 r/min
Limiting speednG22000 r/min
Mass≈m0.158 kg
Internal clearanceCN
SealingWithout
CageSheet metal
Bearing materialBearing steel
LubricantNone
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter17.0 mm
Outside diameter47.0 mm
Width19.0 mm
Product identity5 parameters
Product identity
ParameterSymbolValue
Official product categorySelf-aligning ball bearings
Official taxonomy path/products/rolling-bearings/ball-bearings/self-aligning-ball-bearings
Structure group IDBJ1_001
Available from SKFYes
RemanufacturableNo
Engineering — Abutment dimensions3 parameters
Engineering — Abutment dimensions
ParameterSymbolValue
Abutment diameter shaftd amin. 22.6 mm
Abutment diameter housingD amax. 41.4 mm
Fillet radiusr amax. 1 mm
Engineering — Calculation data11 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load ratingC14.3 kN
Basic static load ratingC 03.55 kN
Fatigue load limitP u0.183 kN
Reference speed30000 r/min
Limiting speed22000 r/min
Permissible angular misalignmentα3 °
Calculation factork r0.05
Limiting valuee0.52
Calculation factorY 01.3
Calculation factorY 11.2
Calculation factorY 21.9
Engineering — Dimensions6 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd17 mm
Outside diameterD47 mm
WidthB19 mm
Shoulder diameter inner ringd 1≈ 26.15 mm
Shoulder diameter outer ringD 1≈ 37.2 mm
Chamfer dimensionr 1,2min. 1 mm
Engineering — Engineering specifications1 parameter
Engineering — Engineering specifications
ParameterSymbolValue
Bore typeCylindrical
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight0.158 kg
eClass code23-05-08-06
UNSPSC code31171532
Performance4 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating14.3 kN
Basic static load rating3.55 kN
Reference speed30000.0 r/min
Limiting speed22000.0 r/min
Properties13 parameters
Properties
ParameterSymbolValue
Retaining feature, inner ringNone
Locating feature, bearing outer ringWithout
Number of rows2
Bore typeCylindrical
CageSheet metal
Radial internal clearanceCN
Tolerance classNormal
Material, bearingBearing steel
CoatingWithout
SealingWithout
LubricantNone
Relubrication featureWithout
Indicative carbon footprint for new product0.59 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF 2303
Document matching
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