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IKO / Machined type needle roller bearings

IKO RNA494

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

Technical data available
Bore diameterd
6 mm
Outside diameterD
12 mm
WidthB
10 mm
Dynamic load ratingC
2.7 kN
Static load ratingC0
2.32 kN
Limiting speednG
70000 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 diameterd6 mm
Outside diameterD12 mm
WidthB10 mm
Basic dynamic load ratingC2.7 kN
Basic static load ratingC02.32 kN
Reference speednref42000 r/min
Limiting speednG70000 r/min
Mass≈m0.005307 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 NumberRNA494
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

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Record identity
IKO RNA494
Document matching
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