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SKF / Cylindrical roller bearings

SKF NJ 2252 MA

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

Technical data available
Bore diameterd
260 mm
Outside diameterD
480 mm
WidthB
130 mm
Dynamic load ratingC
1790 kN
Static load ratingC0
3000 kN
Limiting speednG
2000 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 specifications13 parameters
Core specifications
ParameterSymbolValue
Variant / constructionCylindrical roller bearings
Bore diameterd260 mm
Outside diameterD480 mm
WidthB130 mm
Basic dynamic load ratingC1790 kN
Basic static load ratingC03000 kN
Fatigue load limitPu265 kN
Reference speednref1300 r/min
Limiting speednG2000 r/min
Mass≈m112 kg
Internal clearanceCN
SealingWithout
LubricantNone
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter260.0 mm
Outside diameter480.0 mm
Width130.0 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. 280 mm
Diameter of spacer sleeved amax. 309 mm
Diameter of shaft abutmentd bmin. 344 mm
Diameter of housing abutmentD amax. 460 mm
Radius of filletr amax. 4 mm
Engineering — Calculation data8 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load ratingC1790 kN
Basic static load ratingC 03000 kN
Fatigue load limitP u265 kN
Reference speed1300 r/min
Limiting speed2000 r/min
Minimum load factork r0.3
Limiting valuee0.3
Calculation factorY0.4
Engineering — Dimensions8 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd260 mm
Outside diameterD480 mm
WidthB130 mm
Shoulder diameter of inner ringd 1≈ 340 mm
Shoulder diameter of outer ringD 1≈ 397 mm
Raceway diameter of inner ringF320 mm
Chamfer dimensionr 1,2min. 5 mm
Permissible axial displacementsmax. 4.3 mm
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight112.0 kg
eClass code23-05-09-01
UNSPSC code31171505
Performance4 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating1790.0 kN
Basic static load rating3000.0 kN
Reference speed1300.0 r/min
Limiting speed2000.0 r/min
Properties17 parameters
Properties
ParameterSymbolValue
Bearing partComplete bearing
Axial displacement capabilityIn one direction
Number of rows1
Locating feature, bearing outer ringWithout
Bore typeCylindrical
Number of flanges, outer ring2
Number of flanges, inner ring1
Loose flangeNone
Radial internal clearanceCN
Tolerance classNormal
CoatingWithout
SealingWithout
LubricantNone
Relubrication featureWithout
Candidate for remanufacturingYes
Indicative carbon footprint for new product416.0 kg CO 2 e
Indicative carbon footprint for remanufactured product138.0 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF NJ 2252 MA
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