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SKF / Cylindrical roller bearings

SKF NU 2208 ECJ

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

Technical data available
Bore diameterd
40 mm
Outside diameterD
80 mm
WidthB
23 mm
Dynamic load ratingC
81.5 kN
Static load ratingC0
75 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 specifications14 parameters
Core specifications
ParameterSymbolValue
Variant / constructionCylindrical roller bearings
Bore diameterd40 mm
Outside diameterD80 mm
WidthB23 mm
Basic dynamic load ratingC81.5 kN
Basic static load ratingC075 kN
Fatigue load limitPu9.65 kN
Reference speednref9500 r/min
Limiting speednG11000 r/min
Mass≈m0.495 kg
Internal clearanceCN
SealingWithout
CageSheet metal
LubricantNone
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter40.0 mm
Outside diameter80.0 mm
Width23.0 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
Engineering — Abutment dimensions6 parameters
Engineering — Abutment dimensions
ParameterSymbolValue
Diameter of spacer sleeved amin. 47 mm
Diameter of spacer sleeved amax. 48 mm
Diameter of shaft abutmentd bmin. 51 mm
Diameter of housing abutmentD amax. 72.8 mm
Radius of filletr amax. 1 mm
Radius of filletr bmax. 1 mm
Engineering — Associated products1 parameter
Engineering — Associated products
ParameterSymbolValue
Angle ringHJ 2208 EC
Engineering — Calculation data9 parameters
Engineering — Calculation data
ParameterSymbolValue
SKF performance classSKF Explorer
Basic dynamic load ratingC81.5 kN
Basic static load ratingC 075 kN
Fatigue load limitP u9.65 kN
Reference speed9500 r/min
Limiting speed11000 r/min
Minimum load factork r0.2
Limiting valuee0.3
Calculation factorY0.4
Engineering — Dimensions8 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd40 mm
Outside diameterD80 mm
WidthB23 mm
Shoulder diameter of outer ringD 1≈ 67.53 mm
Raceway diameter of inner ringF49.5 mm
Chamfer dimensionr 1,2min. 1.1 mm
Chamfer dimensionr 3,4min. 1.1 mm
Permissible axial displacementsmax. 1.9 mm
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight0.495 kg
eClass code23-05-09-01
UNSPSC code31171505
Performance5 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating81.5 kN
Basic static load rating75.0 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 both directions
Number of rows1
Locating feature, bearing outer ringWithout
Bore typeCylindrical
CageSheet metal
Number of flanges, outer ring2
Number of flanges, inner ring0
Loose flangeNone
Radial internal clearanceCN
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 NU 2208 ECJ
Document matching
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