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SKF / Cylindrical roller bearings

SKF NJ 2312 ECM

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

Technical data available
Bore diameterd
60 mm
Outside diameterD
130 mm
WidthB
46 mm
Dynamic load ratingC
260 kN
Static load ratingC0
265 kN
Limiting speednG
6700 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 diameterd60 mm
Outside diameterD130 mm
WidthB46 mm
Basic dynamic load ratingC260 kN
Basic static load ratingC0265 kN
Fatigue load limitPu34.5 kN
Reference speednref5600 r/min
Limiting speednG6700 r/min
Mass≈m3.12 kg
Internal clearanceCN
SealingWithout
CageMachined brass
LubricantNone
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter60.0 mm
Outside diameter130.0 mm
Width46.0 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 dimensions5 parameters
Engineering — Abutment dimensions
ParameterSymbolValue
Diameter of spacer sleeved amin. 72 mm
Diameter of spacer sleeved amax. 74 mm
Diameter of shaft abutmentd bmin. 87 mm
Diameter of housing abutmentD amax. 118.1 mm
Radius of filletr amax. 2 mm
Engineering — Associated products1 parameter
Engineering — Associated products
ParameterSymbolValue
Angle ringHJ 2312 EC
Engineering — Calculation data9 parameters
Engineering — Calculation data
ParameterSymbolValue
SKF performance classSKF Explorer
Basic dynamic load ratingC260 kN
Basic static load ratingC 0265 kN
Fatigue load limitP u34.5 kN
Reference speed5600 r/min
Limiting speed6700 r/min
Minimum load factork r0.25
Limiting valuee0.3
Calculation factorY0.4
Engineering — Dimensions9 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd60 mm
Outside diameterD130 mm
WidthB46 mm
Shoulder diameter of inner ringd 1≈ 84.3 mm
Shoulder diameter of outer ringD 1≈ 108.6 mm
Raceway diameter of inner ringF77 mm
Chamfer dimensionr 1,2min. 2.1 mm
Chamfer dimensionr 3,4min. 2.1 mm
Permissible axial displacementsmax. 3.6 mm
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight3.12 kg
eClass code23-05-09-01
UNSPSC code31171505
Performance5 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating260.0 kN
Basic static load rating265.0 kN
Reference speed5600.0 r/min
Limiting speed6700.0 r/min
SKF performance classSKF Explorer
Properties16 parameters
Properties
ParameterSymbolValue
Bearing partComplete bearing
Axial displacement capabilityIn one direction
Number of rows1
Locating feature, bearing outer ringWithout
Bore typeCylindrical
CageMachined brass
Number of flanges, outer ring2
Number of flanges, inner ring1
Loose flangeNone
Radial internal clearanceCN
Tolerance classNormal
CoatingWithout
SealingWithout
LubricantNone
Relubrication featureWithout
Indicative carbon footprint for new product11.5 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF NJ 2312 ECM
Document matching
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