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KOYO / Single-row / nn / cylindrical bore

KOYO NN3044

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

Technical data available
Bore diameterd
220 mm
Outside diameterD
340 mm
WidthB
90 mm
Dynamic load ratingC
944 kN
Static load ratingC0
1370 kN
Limiting speednG
1600 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 specifications9 parameters
Core specifications
ParameterSymbolValue
Variant / constructionSingle-row / NN / Cylindrical bore
Bore diameterd220 mm
Outside diameterD340 mm
WidthB90 mm
Basic dynamic load ratingC944 kN
Basic static load ratingC01370 kN
Fatigue load limitPu163 kN
Limiting speednG1600 r/min
Mass≈m29.3 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key040-020-010
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathCylindrical roller bearings - Single-row - NN - Cylindrical bore
Official Classification 1Cylindrical roller bearings / Single-row / NN / Cylindrical bore
Technical Data17 parameters
Technical Data
ParameterSymbolValue
d220 mm
D340 mm
B90 mm
R(Min.)3 mm
Fw- mm
Ew310 mm
Basic Load Ratings : Cr944 kN
Basic Load Ratings : C0R1370 kN
Fatigue Load Limit : Cu163 kN
Limiting Speeds(Grease Lub.)1600 min-1
Limiting Speeds(Oil Lub.)1900 min-1
Da(Min.)313 mm
Da(Max.)- mm
Db(Min.)- mm
Da(Max.)327 mm
Ra(Max.)2.5 mm
Mass(Refer.)29.3 kg

Technical documents & data sheet

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Record identity
KOYO NN3044
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