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SKF / Cylindrical roller bearings

SKF NU 2344 ECML

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

Technical data available
Bore diameterd
220 mm
Outside diameterD
460 mm
WidthB
145 mm
Dynamic load ratingC
2380 kN
Static load ratingC0
3450 kN
Limiting speednG
2600 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 diameterd220 mm
Outside diameterD460 mm
WidthB145 mm
Basic dynamic load ratingC2380 kN
Basic static load ratingC03450 kN
Fatigue load limitPu310 kN
Reference speednref1300 r/min
Limiting speednG2600 r/min
Mass≈m124 kg
Internal clearanceCN
SealingWithout
CageMachined brass
LubricantNone
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter220.0 mm
Outside diameter460.0 mm
Width145.0 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
RemanufacturableYes
Engineering — Abutment dimensions6 parameters
Engineering — Abutment dimensions
ParameterSymbolValue
Diameter of spacer sleeved amin. 238 mm
Diameter of spacer sleeved amax. 272 mm
Diameter of shaft abutmentd bmin. 272 mm
Diameter of housing abutmentD amax. 442 mm
Radius of filletr amax. 4 mm
Radius of filletr bmax. 4 mm
Engineering — Calculation data8 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load ratingC2380 kN
Basic static load ratingC 03450 kN
Fatigue load limitP u310 kN
Reference speed1300 r/min
Limiting speed2600 r/min
Minimum load factork r0.38
Limiting valuee0.3
Calculation factorY0.4
Engineering — Dimensions7 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd220 mm
Outside diameterD460 mm
WidthB145 mm
Shoulder diameter of outer ringD 1≈ 391 mm
Raceway diameter of inner ringF277 mm
Chamfer dimensionr 1,2min. 5 mm
Permissible axial displacementsmax. 10.4 mm
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight124.0 kg
eClass code23-05-09-01
UNSPSC code31171505
Performance4 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating2380.0 kN
Basic static load rating3450.0 kN
Reference speed1300.0 r/min
Limiting speed2600.0 r/min
Properties18 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 clearanceCN
Tolerance classNormal
CoatingWithout
SealingWithout
LubricantNone
Relubrication featureWithout
Candidate for remanufacturingYes
Indicative carbon footprint for new product459.0 kg CO 2 e
Indicative carbon footprint for remanufactured product153.0 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF NU 2344 ECML
Document matching
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