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IKO / Roller bearings

IKO NAU4904

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

Technical data available
Bore diameterd
20 mm
Outside diameterD
37 mm
WidthB
17 mm
Dynamic load ratingC
10.7 kN
Static load ratingC0
11.3 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
SeriesNAU
Variant / constructionRoller Bearings
Bore diameterd20 mm
Outside diameterD37 mm
WidthB17 mm
Basic dynamic load ratingC10.7 kN
Basic static load ratingC011.3 kN
Reference speednref9600 r/min
Limiting speednG16000 r/min
Mass≈m0.076022 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 NumberNAU4904
Product Identity4 parameters
Product Identity
ParameterSymbolValue
Short DescriptionRoller Bearings, Cage Type
Long DescriptionCaged Roller Bearings, High Carbon Steel, Outer Ring With Oil Holes
Official Bearing FamilyRoller Bearings
Official Bearing TypeRoller 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 NAU4904
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