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SKF / Cylindrical roller bearings

SKF NJ 29/710 ECMA

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

Technical data available
Bore diameterd
710 mm
Outside diameterD
950 mm
WidthB
140 mm
Dynamic load ratingC
3740 kN
Static load ratingC0
8300 kN
Limiting speednG
800 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 diameterd710 mm
Outside diameterD950 mm
WidthB140 mm
Basic dynamic load ratingC3740 kN
Basic static load ratingC08300 kN
Fatigue load limitPu570 kN
Reference speednref600 r/min
Limiting speednG800 r/min
Mass≈m302 kg
Internal clearanceCN
SealingWithout
CageMachined brass
LubricantNone
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter710.0 mm
Outside diameter950.0 mm
Width140.0 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. 733 mm
Diameter of spacer sleeved amax. 760 mm
Diameter of shaft abutmentd bmin. 796 mm
Diameter of housing abutmentD amax. 927 mm
Radius of filletr amax. 5 mm
Engineering — Calculation data8 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load ratingC3740 kN
Basic static load ratingC 08300 kN
Fatigue load limitP u570 kN
Reference speed600 r/min
Limiting speed800 r/min
Minimum load factork r0.07
Limiting valuee0.3
Calculation factorY0.4
Engineering — Dimensions8 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd710 mm
Outside diameterD950 mm
WidthB140 mm
Shoulder diameter of inner ringd 1≈ 790 mm
Shoulder diameter of outer ringD 1≈ 875 mm
Raceway diameter of inner ringF766 mm
Chamfer dimensionr 1,2min. 6 mm
Permissible axial displacementsmax. 7.2 mm
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight302.0 kg
eClass code23-05-09-01
UNSPSC code31171505
Performance4 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating3740.0 kN
Basic static load rating8300.0 kN
Reference speed600.0 r/min
Limiting speed800.0 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 product1117.0 kg CO 2 e
Indicative carbon footprint for remanufactured product371.0 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF NJ 29/710 ECMA
Document matching
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