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INA / Inner rings

INA IR45X50X25,5-EGS

Inner rings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
45 mm
Outside diameterD
50 mm
WidthB
25.5 mm
Mass≈m
0.072 kg
Bore Diameter (D)
45 mm
Raceway Diameter Inner Ring (F)
50 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 specifications5 parameters
Core specifications
ParameterSymbolValue
SeriesIR45X50X25,5
Bore diameterd45 mm
Outside diameterD50 mm
WidthB25.5 mm
Mass≈m0.072 kg
Manufacturer Identity4 parameters
Manufacturer Identity
ParameterSymbolValue
Schaeffler Product Code409636
BrandINA
Base TypeIR45X50X25,5
X Life Markingn.r.
Product Identity2 parameters
Product Identity
ParameterSymbolValue
ConstructionInner ring IR..-EGS, cylindrical
Short DescriptionInner ring
Technical Data4 parameters
Technical Data
ParameterSymbolValue
Bore Diameter (D)45 mm
Raceway Diameter Inner Ring (F)50 mm
Total Width (B)25.5 mm
Minimum Chamfer Dimension (Rmin)0.3 mm

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
INA IR45X50X25,5-EGS
Document matching
Exact designation, assembly scope, revision and units must agree.

No verified redistributable CAD or manufacturer PDF is registered for this exact model. A catalogue image is not a dimensioned drawing. Missing technical files are not generated or replaced with unrelated models.

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