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INA / Inner rings

INA IR25X30X20,5-EGS

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

Technical data available
Bore diameterd
25 mm
Outside diameterD
30 mm
WidthB
20.5 mm
Mass≈m
0.033 kg
Bore Diameter (D)
25 mm
Raceway Diameter Inner Ring (F)
30 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
SeriesIR25X30X20,5
Bore diameterd25 mm
Outside diameterD30 mm
WidthB20.5 mm
Mass≈m0.033 kg
Manufacturer Identity3 parameters
Manufacturer Identity
ParameterSymbolValue
Schaeffler Product Code409566
BrandINA
Base TypeIR25X30X20,5
Product Identity2 parameters
Product Identity
ParameterSymbolValue
ConstructionInner ring IR..-EGS, cylindrical
Short DescriptionInner ring
Technical Data4 parameters
Technical Data
ParameterSymbolValue
Bore Diameter (D)25 mm
Raceway Diameter Inner Ring (F)30 mm
Total Width (B)20.5 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 IR25X30X20,5-EGS
Document matching
Exact designation, assembly scope, revision and units must agree.

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