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INA / Inner rings

INA IR20X25X26,5-EGS-C3

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

Technical data available
Bore diameterd
20 mm
Outside diameterD
25 mm
WidthB
26.5 mm
Mass≈m
0.0357 kg
Bore Diameter (D)
20 mm
Raceway Diameter Inner Ring (F)
25 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
SeriesIR20X25X26,5
Bore diameterd20 mm
Outside diameterD25 mm
WidthB26.5 mm
Mass≈m0.0357 kg
Manufacturer Identity3 parameters
Manufacturer Identity
ParameterSymbolValue
Schaeffler Product Code410566
BrandINA
Base TypeIR20X25X26,5
Product Identity2 parameters
Product Identity
ParameterSymbolValue
ConstructionInner ring IR..-EGS, cylindrical
Short DescriptionInner ring
Technical Data6 parameters
Technical Data
ParameterSymbolValue
Bore Diameter (D)20 mm
Raceway Diameter Inner Ring (F)25 mm
Total Width (B)26.5 mm
Raceway Diameter Upper Tolerance (Raceway Diam)-0.015 mm
Minimum Chamfer Dimension (Rmin)0.3 mm
Raceway Diameter Lower Tolerance (Raceway Diam)-0.027 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 IR20X25X26,5-EGS-C3
Document matching
Exact designation, assembly scope, revision and units must agree.

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