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SKF / Cylindrical roller bearings

SKF NU 228 ECJ/C3

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

Technical data available
Bore diameterd
140 mm
Outside diameterD
250 mm
WidthB
42 mm
Dynamic load ratingC
450 kN
Static load ratingC0
510 kN
Limiting speednG
3200 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 / constructionCylindrical roller bearings
Bore diameterd140 mm
Outside diameterD250 mm
WidthB42 mm
Basic dynamic load ratingC450 kN
Basic static load ratingC0510 kN
Reference speednref2800 r/min
Limiting speednG3200 r/min
Mass≈m8.14 kg
Internal clearanceC3
SealingWithout
CageSheet metal
LubricantNone
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter140.0 mm
Outside diameter250.0 mm
Width42.0 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
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight8.14 kg
eClass code23-05-09-01
UNSPSC code31171505
Performance5 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating450.0 kN
Basic static load rating510.0 kN
Reference speed2800.0 r/min
Limiting speed3200.0 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
CageSheet metal
Number of flanges, outer ring2
Number of flanges, inner ring0
Loose flangeNone
Radial internal clearanceC3
Tolerance classNormal
CoatingWithout
SealingWithout
LubricantNone
Relubrication featureWithout
Indicative carbon footprint for new product30.1 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF NU 228 ECJ/C3
Document matching
Exact designation, assembly scope, revision and units must agree.

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