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INA / Inner rings

INA IR30X38X20-IS1-XL

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

Technical data available
Bore diameterd
30 mm
Outside diameterD
38 mm
WidthB
20 mm
Mass≈m
0.0643 kg
Bore Diameter (D)
30 mm
Raceway Diameter Inner Ring (F)
38 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
SeriesIR30X38X20
Bore diameterd30 mm
Outside diameterD38 mm
WidthB20 mm
Mass≈m0.0643 kg
Manufacturer Identity5 parameters
Manufacturer Identity
ParameterSymbolValue
Schaeffler Product Code409770
BrandINA
Base TypeIR30X38X20
Old Designation["IR30X38X20-IS1"]
X Life MarkingXL
Product Identity2 parameters
Product Identity
ParameterSymbolValue
ConstructionInner rings IR..-IS1, precision machined, with lubrication hole, to DIN 620
Short DescriptionInner ring
Technical Data6 parameters
Technical Data
ParameterSymbolValue
Bore Diameter (D)30 mm
Raceway Diameter Inner Ring (F)38 mm
Total Width (B)20 mm
Raceway Diameter Upper Tolerance (Raceway Diam)0.005 mm
Minimum Chamfer Dimension (Rmin)0.6 mm
Raceway Diameter Lower Tolerance (Raceway Diam)-0.004 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 IR30X38X20-IS1-XL
Document matching
Exact designation, assembly scope, revision and units must agree.

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