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SKF / Needle roller bearings

SKF NA 6908

Double row needle roller bearing with machined rings, with flanges and an inner ring technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
40 mm
Outside diameterD
62 mm
WidthB
40 mm
Dynamic load ratingC
76.5 kN
Static load ratingC0
125 kN
Limiting speednG
9500 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 specifications15 parameters
Core specifications
ParameterSymbolValue
Variant / constructionNeedle roller bearings
Bore diameterd40 mm
Outside diameterD62 mm
WidthB40 mm
Basic dynamic load ratingC76.5 kN
Basic static load ratingC0125 kN
Fatigue load limitPu16 kN
Reference speednref8000 r/min
Limiting speednG9500 r/min
Mass≈m0.43 kg
Internal clearanceCN
SealingWithout
CageSheet metal
Bearing materialBearing steel
LubricantNone
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter40.0 mm
Outside diameter62.0 mm
Width40.0 mm
Product identity5 parameters
Product identity
ParameterSymbolValue
Official product categoryNeedle roller bearings
Official taxonomy path/products/rolling-bearings/roller-bearings/needle-roller-bearings/needle-roller-bearings-with-machined-rings
Structure group IDBN1_003
Available from SKFYes
RemanufacturableNo
Engineering — Abutment dimensions3 parameters
Engineering — Abutment dimensions
ParameterSymbolValue
Smallest permissible abutment diameter shaft, bearings with flangesd amin. 44 mm
Diameter of housing abutmentD amax. 58 mm
Fillet radiusr amax. 0.6 mm
Engineering — Calculation data6 parameters
Engineering — Calculation data
ParameterSymbolValue
SKF performance classSKF Explorer
Basic dynamic load ratingC76.5 kN
Basic static load ratingC 0125 kN
Fatigue load limitP u16 kN
Reference speed8000 r/min
Limiting speed9500 r/min
Engineering — Dimensions6 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd40 mm
Outside diameterD62 mm
WidthB40 mm
Raceway diameter inner ringF48 mm
Chamfer dimension outer ringr 1,2min. 0.6 mm
Permissible axial displacement from the normal position of one bearing ring relative to the othersmax. 0.5 mm
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight0.43 kg
eClass code23-05-09-03
UNSPSC code31171512
Performance5 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating76.5 kN
Basic static load rating125.0 kN
Reference speed8000.0 r/min
Limiting speed9500.0 r/min
SKF performance classSKF Explorer
Properties14 parameters
Properties
ParameterSymbolValue
Bearing partComplete bearing
Number of rows2
Outer ring typeMachined (solid)
Aligning featureWithout
CageSheet metal
Number of flanges, outer ring3
Radial internal clearanceCN
Tolerance classNormal
Material, bearingBearing steel
CoatingWithout
SealingWithout
LubricantNone
Relubrication featureWith
Indicative carbon footprint for new product1.6 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF NA 6908
Document matching
Exact designation, assembly scope, revision and units must agree.

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