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SKF / Cylindrical roller bearings

SKF NU 320 ECM/C3VL0241

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

Technical data available
Bore diameterd
100 mm
Outside diameterD
215 mm
WidthB
47 mm
Dynamic load ratingC
450 kN
Static load ratingC0
440 kN
Limiting speednG
3800 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 specifications15 parameters
Core specifications
ParameterSymbolValue
Variant / constructionCylindrical roller bearings
Bore diameterd100 mm
Outside diameterD215 mm
WidthB47 mm
Basic dynamic load ratingC450 kN
Basic static load ratingC0440 kN
Fatigue load limitPu51 kN
Reference speednref3200 r/min
Limiting speednG3800 r/min
Mass≈m1 kg
Internal clearanceC3
SealingWithout
CageMachined brass
Bearing materialBearing steel
LubricantNone
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter100.0 mm
Outside diameter215.0 mm
Width47.0 mm
Product identity4 parameters
Product identity
ParameterSymbolValue
Official product categoryCylindrical roller bearings
Structure group IDBC1_502
Available from SKFYes
RemanufacturableNo
Engineering — Abutment dimensions7 parameters
Engineering — Abutment dimensions
ParameterSymbolValue
Abutment diameter shaftd amin. 114.0 mm
Abutment diameter shaftd amax. 124.0 mm
Abutment diameter shaftd bmin. 130.0 mm
Abutment diameter shaftD amin. 187.0 mm
Abutment diameter housingD amax. 201.0 mm
Fillet radiusr amax. 2.5 mm
Fillet radiusr bmax. 2.5 mm
Engineering — Calculation data6 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load ratingC450.0 kN
Basic static load ratingC 0440.0 kN
Fatigue load limitP u51.0 kN
Reference speed3200.0 r/min
Limiting speed3800.0 r/min
Calculation factork r0.15
Engineering — Dimensions8 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd100.0 mm
Outside diameterD215.0 mm
WidthB47.0 mm
Shoulder diameter outer ringD 1≈ 182.0 mm
Raceway diameter inner ringF127.5 mm
Permissible axial displacement from the normal position of one bearing ring relative to the othersmax. 2.9 mm
Chamfer dimensionr 1,2min. 3.0 mm
Chamfer dimensionr 3,4min. 3.0 mm
Logistics2 parameters
Logistics
ParameterSymbolValue
Product net weight1.0 kg
eClass code23-05-09-01
Performance4 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating450.0 kN
Basic static load rating440.0 kN
Reference speed3200.0 r/min
Limiting speed3800.0 r/min
Properties17 parameters
Properties
ParameterSymbolValue
Bearing partComplete bearing
Axial displacement capabilityIn both directions
Number of rows1
Locating feature, bearing outer ringWithout
Bore typeCylindrical
CageMachined brass
Number of flanges, outer ring2
Number of flanges, inner ring0
Loose flangeNone
Radial internal clearanceC3
Tolerance classNormal
Material, bearingBearing steel
CoatingInsulation coating on outer ring
SealingWithout
LubricantNone
Relubrication featureWithout
Indicative carbon footprint for new product3.6 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF NU 320 ECM/C3VL0241
Document matching
Exact designation, assembly scope, revision and units must agree.

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