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SKF / Cylindrical roller bearings

SKF NU 218 ECM/C3VA3091

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

Technical data available
Bore diameterd
90 mm
Outside diameterD
160 mm
WidthB
30 mm
Dynamic load ratingC
208 kN
Static load ratingC0
220 kN
Limiting speednG
5000 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 diameterd90 mm
Outside diameterD160 mm
WidthB30 mm
Basic dynamic load ratingC208 kN
Basic static load ratingC0220 kN
Fatigue load limitPu27 kN
Reference speednref4500 r/min
Limiting speednG5000 r/min
Mass≈m2.72 kg
Internal clearanceC3
SealingWithout
CageMachined brass
Bearing materialBearing steel
LubricantNone
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter90.0 mm
Outside diameter160.0 mm
Width30.0 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_502
Available from SKFYes
RemanufacturableNo
Engineering — Abutment dimensions7 parameters
Engineering — Abutment dimensions
ParameterSymbolValue
Abutment diameter shaftd amin. 101 mm
Abutment diameter shaftd amax. 104 mm
Abutment diameter shaftd bmin. 110 mm
Abutment diameter shaftD amin. 144 mm
Abutment diameter housingD amax. 149 mm
Fillet radiusr amax. 2 mm
Fillet radiusr bmax. 2 mm
Engineering — Calculation data6 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load ratingC208 kN
Basic static load ratingC 0220 kN
Fatigue load limitP u27 kN
Reference speed4500 r/min
Limiting speed5000 r/min
Calculation factork r0.15
Engineering — Dimensions8 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd90 mm
Outside diameterD160 mm
WidthB30 mm
Shoulder diameter outer ringD 1≈ 140 mm
Raceway diameter inner ringF107 mm
Permissible axial displacement from the normal position of one bearing ring relative to the othersmax. 1.8 mm
Chamfer dimensionr 1,2min. 2 mm
Chamfer dimensionr 3,4min. 2 mm
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight2.72 kg
eClass code23-05-09-01
UNSPSC code31171537
Performance4 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating208.0 kN
Basic static load rating220.0 kN
Reference speed4500.0 r/min
Limiting speed5000.0 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
SealingWithout
LubricantNone
Relubrication featureWithout
Indicative carbon footprint for new product10.0 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF NU 218 ECM/C3VA3091
Document matching
Exact designation, assembly scope, revision and units must agree.

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