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INA / Inner rings

INA IR320X350X80-XL

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

Technical data available
Bore diameterd
320 mm
Outside diameterD
350 mm
WidthB
80 mm
Mass≈m
9.8 kg
Bore Diameter (D)
320 mm
Raceway Diameter Inner Ring (F)
350 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
SeriesIR320X350X80
Bore diameterd320 mm
Outside diameterD350 mm
WidthB80 mm
Mass≈m9.8 kg
Manufacturer Identity5 parameters
Manufacturer Identity
ParameterSymbolValue
Schaeffler Product Code410003
BrandINA
Base TypeIR320X350X80
Old Designation["IR320X350X80"]
X Life MarkingXL
Product Identity2 parameters
Product Identity
ParameterSymbolValue
ConstructionInner ring IR..-XL, cylindrical
Short DescriptionInner ring
Technical Data6 parameters
Technical Data
ParameterSymbolValue
Bore Diameter (D)320 mm
Raceway Diameter Inner Ring (F)350 mm
Total Width (B)80 mm
Raceway Diameter Upper Tolerance (Raceway Diam)-0.083 mm
Minimum Chamfer Dimension (Rmin)2.1 mm
Raceway Diameter Lower Tolerance (Raceway Diam)-0.127 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 IR320X350X80-XL
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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