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IKO / Machined type needle roller bearings

IKO NA6904

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

Technical data available
Bore diameterd
20 mm
Outside diameterD
37 mm
WidthB
30 mm
Dynamic load ratingC
35.4 kN
Static load ratingC0
48.9 kN
Limiting speednG
16000 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
SeriesNA69
Variant / constructionMachined Type Needle Roller Bearings
Bore diameterd20 mm
Outside diameterD37 mm
WidthB30 mm
Basic dynamic load ratingC35.4 kN
Basic static load ratingC048.9 kN
Reference speednref9600 r/min
Limiting speednG16000 r/min
Mass≈m0.135987 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 NumberNA6904
Product Identity4 parameters
Product Identity
ParameterSymbolValue
Short DescriptionMachined Type Needle Roller Bearings
Long DescriptionMachined Type Needle Roller Bearings, High Carbon Steel, Oil Hole, Inner Ring
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 NA6904
Document matching
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