99,016 bearing records · search, filter and compare

IKO / Machined type needle roller bearings

IKO RNA49/38

Needle roller bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
45 mm
Outside diameterD
58 mm
WidthB
20 mm
Dynamic load ratingC
33.6 kN
Static load ratingC0
54.6 kN
Limiting speednG
9000 r/min

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 specifications15 parameters
Core specifications
ParameterSymbolValue
SeriesRNA49
Variant / constructionMachined Type Needle Roller Bearings
Bore diameterd45 mm
Outside diameterD58 mm
WidthB20 mm
Basic dynamic load ratingC33.6 kN
Basic static load ratingC054.6 kN
Reference speednref5400 r/min
Limiting speednG9000 r/min
Mass≈m0.120021 kg
Precision classJIS, Class 0
CageSteel
Bearing materialHigh Carbon Chrome Steel
Minimum operating temperatureTmin-20 °C
Maximum operating temperatureTmax120 °C
Manufacturer Identity1 parameter
Manufacturer Identity
ParameterSymbolValue
Cad Part NumberRNA49/38
Product Identity4 parameters
Product Identity
ParameterSymbolValue
Short DescriptionMachined Type Needle Roller Bearings
Long DescriptionMachined Type Caged Needle Roller Bearings, High Carbon Steel, With Oil Hole
Official Bearing FamilyNeedle Roller Bearings
Official Bearing TypeMachined Type Needle Roller Bearings
Materials2 parameters
Materials
ParameterSymbolValue
Rolling Element MaterialSUJ2
Retainer MaterialSteel
Technical Data2 parameters
Technical Data
ParameterSymbolValue
Rolling ElementRoller
RelubricatableYes

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
IKO RNA49/38
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.

Look up another model or check drawing requirements →

Search the consolidated catalogue

Find, filter and compare bearing model data in one place.

Open model search