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SKF / Cylindrical roller bearings

SKF NJ 1984 ECMA

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

Technical data available
Bore diameterd
420 mm
Outside diameterD
560 mm
WidthB
65 mm
Dynamic load ratingC
968 kN
Static load ratingC0
1800 kN
Limiting speednG
1500 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 diameterD560 mm
WidthB65 mm
Basic dynamic load ratingC968 kN
Basic static load ratingC01800 kN
Fatigue load limitPu156 kN
Reference speednref1100 r/min
Limiting speednG1500 r/min
Mass≈m46.9 kg
Internal clearanceCN
SealingWithout
CageMachined brass
LubricantNone
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter420.0 mm
Outside diameter560.0 mm
Width65.0 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. 435 mm
Diameter of spacer sleeved amax. 442 mm
Diameter of shaft abutmentd bmin. 466 mm
Diameter of housing abutmentD amax. 545 mm
Radius of filletr amax. 3 mm
Engineering — Calculation data8 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load ratingC968 kN
Basic static load ratingC 01800 kN
Fatigue load limitP u156 kN
Reference speed1100 r/min
Limiting speed1500 r/min
Minimum load factork r0.07
Limiting valuee0.2
Calculation factorY0.6
Engineering — Dimensions8 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd420 mm
Outside diameterD560 mm
WidthB65 mm
Shoulder diameter of inner ringd 1≈ 461 mm
Shoulder diameter of outer ringD 1≈ 513 mm
Raceway diameter of inner ringF449 mm
Chamfer dimensionr 1,2min. 4 mm
Permissible axial displacementsmax. 6.9 mm
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight46.9 kg
eClass code23-05-09-01
UNSPSC code31171505
Performance4 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating968.0 kN
Basic static load rating1800.0 kN
Reference speed1100.0 r/min
Limiting speed1500.0 r/min
Properties18 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
Candidate for remanufacturingYes
Indicative carbon footprint for new product174.0 kg CO 2 e
Indicative carbon footprint for remanufactured product57.7 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF NJ 1984 ECMA
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