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SKF / Cylindrical roller bearings

SKF NJ 1944 ECMP/C3VK253

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

Technical data available
Bore diameterd
220 mm
Outside diameterD
300 mm
WidthB
38 mm
Dynamic load ratingC
330 kN
Static load ratingC0
550 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 specifications13 parameters
Core specifications
ParameterSymbolValue
Variant / constructionCylindrical roller bearings
Bore diameterd220 mm
Outside diameterD300 mm
WidthB38 mm
Basic dynamic load ratingC330 kN
Basic static load ratingC0550 kN
Reference speednref2400 r/min
Limiting speednG3600 r/min
Mass≈m8.22 kg
Internal clearanceC3
SealingWithout
CageMachined brass
LubricantNone
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter220.0 mm
Outside diameter300.0 mm
Width38.0 mm
Product identity4 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
Available from SKFYes
RemanufacturableNo
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight8.22 kg
eClass code23-05-09-01
UNSPSC code31171505
Performance4 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating330.0 kN
Basic static load rating550.0 kN
Reference speed2400.0 r/min
Limiting speed3600.0 r/min
Properties16 parameters
Properties
ParameterSymbolValue
Bearing partComplete bearing
Axial displacement capabilityIn one direction
Number of rows1
Locating feature, bearing outer ringWithout
Bore typeCylindrical
CageMachined brass
Number of flanges, outer ring2
Number of flanges, inner ring1
Loose flangeNone
Radial internal clearanceC3
Tolerance classNormal
CoatingWithout
SealingWithout
LubricantNone
Relubrication featureWithout
Indicative carbon footprint for new product30.4 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF NJ 1944 ECMP/C3VK253
Document matching
Exact designation, assembly scope, revision and units must agree.

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