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IKO / Machined type needle roller bearings

IKO RNA6903

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

Technical data available
Bore diameterd
22 mm
Outside diameterD
30 mm
WidthB
23 mm
Dynamic load ratingC
20.8 kN
Static load ratingC0
32.5 kN
Limiting speednG
18000 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
SeriesRNA69
Variant / constructionMachined Type Needle Roller Bearings
Bore diameterd22 mm
Outside diameterD30 mm
WidthB23 mm
Basic dynamic load ratingC20.8 kN
Basic static load ratingC032.5 kN
Reference speednref10800 r/min
Limiting speednG18000 r/min
Mass≈m0.04046 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 NumberRNA6903
Product Identity4 parameters
Product Identity
ParameterSymbolValue
Short DescriptionMachined Type Needle Roller Bearings
Long DescriptionMachined Type Needle Roller Bearings, High Carbon Steel, 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 RNA6903
Document matching
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