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SKF / Cylindrical roller bearings

SKF NF 18/500 ECM

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

Technical data available
Bore diameterd
500 mm
Outside diameterD
620 mm
WidthB
56 mm
Dynamic load ratingC
792 kN
Static load ratingC0
1660 kN
Limiting speednG
950 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 diameterd500 mm
Outside diameterD620 mm
WidthB56 mm
Basic dynamic load ratingC792 kN
Basic static load ratingC01660 kN
Fatigue load limitPu132 kN
Reference speednref950 r/min
Limiting speednG950 r/min
Mass≈m39.5 kg
Internal clearanceCN
SealingWithout
CageMachined brass
LubricantNone
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter500.0 mm
Outside diameter620.0 mm
Width56.0 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
RemanufacturableYes
Engineering — Abutment dimensions4 parameters
Engineering — Abutment dimensions
ParameterSymbolValue
Diameter of spacer sleeved amin. 513 mm
Diameter of housing abutmentD amax. 607 mm
Diameter of housing abutmentD bmin. 598 mm
Radius of filletr amax. 2.5 mm
Engineering — Calculation data8 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load ratingC792 kN
Basic static load ratingC 01660 kN
Fatigue load limitP u132 kN
Reference speed950 r/min
Limiting speed950 r/min
Minimum load factork r0.05
Limiting valuee0.2
Calculation factorY0.6
Engineering — Dimensions8 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd500 mm
Outside diameterD620 mm
WidthB56 mm
Shoulder diameter of inner ringd 1≈ 538 mm
Shoulder diameter of outer ringD 1≈ 584 mm
Raceway diameter of outer ringE594 mm
Chamfer dimensionr 1,2min. 3 mm
Permissible axial displacementsmax. 3.5 mm
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight39.5 kg
eClass code23-05-09-01
UNSPSC code31171505
Performance4 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating792.0 kN
Basic static load rating1660.0 kN
Reference speed950.0 r/min
Limiting speed950.0 r/min
Properties18 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 ring1
Number of flanges, inner ring2
Loose flangeNone
Radial internal clearanceCN
Tolerance classNormal
CoatingWithout
SealingWithout
LubricantNone
Relubrication featureWithout
Candidate for remanufacturingYes
Indicative carbon footprint for new product146.0 kg CO 2 e
Indicative carbon footprint for remanufactured product48.6 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF NF 18/500 ECM
Document matching
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