99,016 bearing records · search, filter and compare

SKF / Cylindrical roller bearings

SKF NU 2276 ECMA

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

Technical data available
Bore diameterd
380 mm
Outside diameterD
680 mm
WidthB
175 mm
Dynamic load ratingC
3960 kN
Static load ratingC0
6400 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 diameterd380 mm
Outside diameterD680 mm
WidthB175 mm
Basic dynamic load ratingC3960 kN
Basic static load ratingC06400 kN
Fatigue load limitPu510 kN
Reference speednref850 r/min
Limiting speednG1300 r/min
Mass≈m293 kg
Internal clearanceCN
SealingWithout
CageMachined brass
LubricantNone
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter380.0 mm
Outside diameter680.0 mm
Width175.0 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. 406 mm
Diameter of spacer sleeved amax. 445 mm
Diameter of shaft abutmentd bmin. 457 mm
Diameter of housing abutmentD amax. 654 mm
Radius of filletr amax. 5 mm
Engineering — Calculation data8 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load ratingC3960 kN
Basic static load ratingC 06400 kN
Fatigue load limitP u510 kN
Reference speed850 r/min
Limiting speed1300 r/min
Minimum load factork r0.2
Limiting valuee0.3
Calculation factorY0
Engineering — Dimensions7 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd380 mm
Outside diameterD680 mm
WidthB175 mm
Shoulder diameter of outer ringD 1≈ 595 mm
Raceway diameter of inner ringF451 mm
Chamfer dimensionr 1,2min. 6 mm
Permissible axial displacementsmax. 8.3 mm
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight293.0 kg
eClass code23-05-09-01
UNSPSC code31171505
Performance4 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating3960.0 kN
Basic static load rating6400.0 kN
Reference speed850.0 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 product1084.0 kg CO 2 e
Indicative carbon footprint for remanufactured product360.0 kg CO 2 e

Technical documents & data sheet

This product page is a BearingScope catalogue reference, not a manufacturer-certified drawing. Preserve the full brand and designation when comparing files.

Record identity
SKF NU 2276 ECMA
Document matching
Exact designation, assembly scope, revision and units must agree.

No verified redistributable CAD or manufacturer PDF is registered for this exact model. A catalogue image is not a dimensioned drawing. Missing technical files are not generated or replaced with unrelated models.

Look up another model or check drawing requirements →

Search the consolidated catalogue

Find, filter and compare bearing model data in one place.

Open model search