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SKF / Cylindrical roller bearings

SKF NJ 307 ECP/C3

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

Technical data available
Bore diameterd
35 mm
Outside diameterD
80 mm
WidthB
21 mm
Dynamic load ratingC
75 kN
Static load ratingC0
63 kN
Limiting speednG
11000 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 diameterd35 mm
Outside diameterD80 mm
WidthB21 mm
Basic dynamic load ratingC75 kN
Basic static load ratingC063 kN
Reference speednref9500 r/min
Limiting speednG11000 r/min
Mass≈m0.494 kg
Internal clearanceC3
SealingWithout
CageNon-metallic
LubricantNone
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter35.0 mm
Outside diameter80.0 mm
Width21.0 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 weight0.494 kg
eClass code23-05-09-01
UNSPSC code31171505
Performance5 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating75.0 kN
Basic static load rating63.0 kN
Reference speed9500.0 r/min
Limiting speed11000.0 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 clearanceC3
Tolerance classNormal
CoatingWithout
SealingWithout
LubricantNone
Relubrication featureWithout
Indicative carbon footprint for new product1.8 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF NJ 307 ECP/C3
Document matching
Exact designation, assembly scope, revision and units must agree.

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