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KOYO / Single-row / nn / cylindrical bore

KOYO NN3018

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

Technical data available
Bore diameterd
90 mm
Outside diameterD
140 mm
WidthB
37 mm
Dynamic load ratingC
179 kN
Static load ratingC0
228 kN
Limiting speednG
4200 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 diameterd90 mm
Outside diameterD140 mm
WidthB37 mm
Basic dynamic load ratingC179 kN
Basic static load ratingC0228 kN
Fatigue load limitPu29.3 kN
Limiting speednG4200 r/min
Mass≈m2.07 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
d90 mm
D140 mm
B37 mm
R(Min.)1.5 mm
Fw- mm
Ew127 mm
Basic Load Ratings : Cr179 kN
Basic Load Ratings : C0R228 kN
Fatigue Load Limit : Cu29.3 kN
Limiting Speeds(Grease Lub.)4200 min-1
Limiting Speeds(Oil Lub.)5100 min-1
Da(Min.)129 mm
Da(Max.)- mm
Db(Min.)- mm
Da(Max.)132 mm
Ra(Max.)1.5 mm
Mass(Refer.)2.07 kg

Technical documents & data sheet

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Record identity
KOYO NN3018
Document matching
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