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SKF / Cylindrical roller bearings

SKF NU 224 ECP

Single row cylindrical roller bearing, nu design technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
120 mm
Outside diameterD
215 mm
WidthB
40 mm
Dynamic load ratingC
390 kN
Static load ratingC0
430 kN
Limiting speednG
3600 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 / constructionCylindrical roller bearings
Bore diameterd120 mm
Outside diameterD215 mm
WidthB40 mm
Basic dynamic load ratingC390 kN
Basic static load ratingC0430 kN
Fatigue load limitPu49 kN
Reference speednref3400 r/min
Limiting speednG3600 r/min
Mass≈m5.6 kg
Internal clearanceCN
SealingWithout
CageNon-metallic
LubricantNone
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter120.0 mm
Outside diameter215.0 mm
Width40.0 mm
Product identity5 parameters
Product identity
ParameterSymbolValue
Official product categoryCylindrical roller bearings
Official taxonomy path/products/rolling-bearings/roller-bearings/cylindrical-roller-bearings/single-row-cylindrical-roller-bearings
Structure group IDBC1_001_101
Available from SKFYes
RemanufacturableNo
Engineering — Abutment dimensions6 parameters
Engineering — Abutment dimensions
ParameterSymbolValue
Diameter of spacer sleeved amin. 132 mm
Diameter of spacer sleeved amax. 140 mm
Diameter of shaft abutmentd bmin. 146 mm
Diameter of housing abutmentD amax. 201.6 mm
Radius of filletr amax. 2 mm
Radius of filletr bmax. 2 mm
Engineering — Associated products1 parameter
Engineering — Associated products
ParameterSymbolValue
Angle ringHJ 224 EC
Engineering — Calculation data9 parameters
Engineering — Calculation data
ParameterSymbolValue
SKF performance classSKF Explorer
Basic dynamic load ratingC390 kN
Basic static load ratingC 0430 kN
Fatigue load limitP u49 kN
Reference speed3400 r/min
Limiting speed3600 r/min
Minimum load factork r0.15
Limiting valuee0.2
Calculation factorY0.6
Engineering — Dimensions8 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd120 mm
Outside diameterD215 mm
WidthB40 mm
Shoulder diameter of outer ringD 1≈ 186.83 mm
Raceway diameter of inner ringF143.5 mm
Chamfer dimensionr 1,2min. 2.1 mm
Chamfer dimensionr 3,4min. 2.1 mm
Permissible axial displacementsmax. 1.9 mm
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight5.6 kg
eClass code23-05-09-01
UNSPSC code31171505
Performance5 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating390.0 kN
Basic static load rating430.0 kN
Reference speed3400.0 r/min
Limiting speed3600.0 r/min
SKF performance classSKF Explorer
Properties16 parameters
Properties
ParameterSymbolValue
Bearing partComplete bearing
Axial displacement capabilityIn both directions
Number of rows1
Locating feature, bearing outer ringWithout
Bore typeCylindrical
CageNon-metallic
Number of flanges, outer ring2
Number of flanges, inner ring0
Loose flangeNone
Radial internal clearanceCN
Tolerance classNormal
CoatingWithout
SealingWithout
LubricantNone
Relubrication featureWithout
Indicative carbon footprint for new product20.7 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF NU 224 ECP
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