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SKF / Self-aligning ball bearings

SKF 1224 KM

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

Technical data available
Bore diameterd
120 mm
Outside diameterD
215 mm
WidthB
42 mm
Dynamic load ratingC
119 kN
Static load ratingC0
53 kN
Limiting speednG
4000 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 diameterd120 mm
Outside diameterD215 mm
WidthB42 mm
Basic dynamic load ratingC119 kN
Basic static load ratingC053 kN
Fatigue load limitPu2.12 kN
Reference speednref6300 r/min
Limiting speednG4000 r/min
Mass≈m6.71 kg
Internal clearanceCN
SealingWithout
CageMachined brass
Bearing materialBearing steel
LubricantNone
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter120.0 mm
Outside diameter215.0 mm
Width42.0 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 dimensions2 parameters
Engineering — Abutment dimensions
ParameterSymbolValue
Abutment diameter housingD amax. 203 mm
Fillet radiusr amax. 2 mm
Engineering — Calculation data11 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load ratingC119 kN
Basic static load ratingC 053 kN
Fatigue load limitP u2.12 kN
Reference speed6300 r/min
Limiting speed4000 r/min
Permissible angular misalignmentα2.5 °
Calculation factork r0.04
Limiting valuee0.19
Calculation factorY 03.6
Calculation factorY 13.3
Calculation factorY 25.1
Engineering — Dimensions7 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd120 mm
Outside diameterD215 mm
WidthB42 mm
Shoulder diameter inner ringd 1≈ 149 mm
Shoulder diameter outer ringD 1≈ 187.2 mm
Protrusion of the balls from bearing side facesC 11.271 mm
Chamfer dimensionr 1,2min. 2.1 mm
Engineering — Engineering specifications1 parameter
Engineering — Engineering specifications
ParameterSymbolValue
Bore typeTapered 1:12
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight6.71 kg
eClass code23-05-08-06
UNSPSC code31171532
Performance4 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating119.0 kN
Basic static load rating53.0 kN
Reference speed6300.0 r/min
Limiting speed4000.0 r/min
Properties13 parameters
Properties
ParameterSymbolValue
Retaining feature, inner ringNone
Locating feature, bearing outer ringWithout
Number of rows2
Bore typeTapered 1:12
CageMachined brass
Radial internal clearanceCN
Tolerance classNormal
Material, bearingBearing steel
CoatingWithout
SealingWithout
LubricantNone
Relubrication featureWithout
Indicative carbon footprint for new product24.8 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF 1224 KM
Document matching
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