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SKF / Inner rings

SKF IR 40X50X22

Inner ring for needle roller bearings, ir series technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
40 mm
Outside diameterD
50 mm
WidthB
22 mm
Mass≈m
0.118 kg
Bore diameter
40.0 mm
Outside diameter
50.0 mm

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 specifications6 parameters
Core specifications
ParameterSymbolValue
Variant / constructionInner rings
Bore diameterd40 mm
Outside diameterD50 mm
WidthB22 mm
Mass≈m0.118 kg
Internal clearanceCN
Dimensions4 parameters
Dimensions
ParameterSymbolValue
Bore diameter40.0 mm
Outside diameter50.0 mm
Width22.0 mm
Raceway diameter50.0 mm
Product identity5 parameters
Product identity
ParameterSymbolValue
Official product categoryInner rings
Official taxonomy path/products/rolling-bearings/roller-bearings/needle-roller-bearings/needle-roller-bearing-components
Structure group IDBN1_006
Available from SKFYes
RemanufacturableNo
Engineering — Dimensions4 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd40 mm
Raceway diameterF50 mm
WidthB22 mm
Chamfer dimension inner ringr, r 1,2min. 1 mm
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight0.118 kg
eClass code23-05-09-03
UNSPSC code31171512
Properties6 parameters
Properties
ParameterSymbolValue
Special raceway featureNone
Radial internal clearanceCN
Tolerance classNormal
MaterialBearing steel
CoatingWithout
Relubrication featureWithout

Technical documents & data sheet

This product page is a BearingScope catalogue reference, not a manufacturer-certified drawing. Preserve the full brand and designation when comparing files.

Record identity
SKF IR 40X50X22
Document matching
Exact designation, assembly scope, revision and units must agree.

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