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SKF / Cylindrical roller bearings

SKF NJ 317 ECP/C4

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

Technical data available
Bore diameterd
85 mm
Outside diameterD
180 mm
WidthB
41 mm
Dynamic load ratingC
340 kN
Static load ratingC0
335 kN
Limiting speednG
4800 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 diameterd85 mm
Outside diameterD180 mm
WidthB41 mm
Basic dynamic load ratingC340 kN
Basic static load ratingC0335 kN
Reference speednref4000 r/min
Limiting speednG4800 r/min
Mass≈m4.68 kg
Internal clearanceC4
SealingWithout
CageNon-metallic
LubricantNone
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter85.0 mm
Outside diameter180.0 mm
Width41.0 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 weight4.68 kg
eClass code23-05-09-01
UNSPSC code31171505
Performance5 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating340.0 kN
Basic static load rating335.0 kN
Reference speed4000.0 r/min
Limiting speed4800.0 r/min
SKF performance classSKF Explorer
Properties16 parameters
Properties
ParameterSymbolValue
Bearing partComplete bearing
Axial displacement capabilityIn one direction
Number of rows1
Locating feature, bearing outer ringWithout
Bore typeCylindrical
CageNon-metallic
Number of flanges, outer ring2
Number of flanges, inner ring1
Loose flangeNone
Radial internal clearanceC4
Tolerance classNormal
CoatingWithout
SealingWithout
LubricantNone
Relubrication featureWithout
Indicative carbon footprint for new product17.3 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF NJ 317 ECP/C4
Document matching
Exact designation, assembly scope, revision and units must agree.

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