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SKF / Cylindrical roller bearings

SKF NU 3184 ECMA

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

Technical data available
Bore diameterd
420 mm
Outside diameterD
700 mm
WidthB
224 mm
Dynamic load ratingC
4950 kN
Static load ratingC0
9000 kN
Limiting speednG
1300 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 diameterd420 mm
Outside diameterD700 mm
WidthB224 mm
Basic dynamic load ratingC4950 kN
Basic static load ratingC09000 kN
Fatigue load limitPu695 kN
Reference speednref750 r/min
Limiting speednG1300 r/min
Mass≈m365 kg
Internal clearanceCN
SealingWithout
CageMachined brass
LubricantNone
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter420.0 mm
Outside diameter700.0 mm
Width224.0 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 dimensions5 parameters
Engineering — Abutment dimensions
ParameterSymbolValue
Diameter of spacer sleeved amin. 446 mm
Diameter of spacer sleeved amax. 478 mm
Diameter of shaft abutmentd bmin. 490 mm
Diameter of housing abutmentD amax. 694 mm
Radius of filletr amax. 5 mm
Engineering — Calculation data8 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load ratingC4950 kN
Basic static load ratingC 09000 kN
Fatigue load limitP u695 kN
Reference speed750 r/min
Limiting speed1300 r/min
Minimum load factork r0.21
Limiting valuee0.3
Calculation factorY0
Engineering — Dimensions7 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd420 mm
Outside diameterD700 mm
WidthB224 mm
Shoulder diameter of outer ringD 1≈ 613 mm
Raceway diameter of inner ringF485 mm
Chamfer dimensionr 1,2min. 6 mm
Permissible axial displacementsmax. 14.2 mm
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight365.0 kg
eClass code23-05-09-01
UNSPSC code31171505
Performance4 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating4950.0 kN
Basic static load rating9000.0 kN
Reference speed750.0 r/min
Limiting speed1300.0 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 product1352.0 kg CO 2 e
Indicative carbon footprint for remanufactured product450.0 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF NU 3184 ECMA
Document matching
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