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KOYO / Single-row / nn / tapered type

KOYO NN3028K

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

Technical data available
Bore diameterd
140 mm
Outside diameterD
210 mm
WidthB
53 mm
Dynamic load ratingC
372 kN
Static load ratingC0
516 kN
Limiting speednG
2700 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 / Tapered type
Bore diameterd140 mm
Outside diameterD210 mm
WidthB53 mm
Basic dynamic load ratingC372 kN
Basic static load ratingC0516 kN
Fatigue load limitPu61.5 kN
Limiting speednG2700 r/min
Mass≈m6.21 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 - Tapered type
Official Classification 1Cylindrical roller bearings / Single-row / NN / Tapered type
Technical Data17 parameters
Technical Data
ParameterSymbolValue
d140 mm
D210 mm
B53 mm
R(Min.)2 mm
Fw- mm
Ew192 mm
Basic Load Ratings : Cr372 kN
Basic Load Ratings : C0R516 kN
Fatigue Load Limit : Cu61.5 kN
Limiting Speeds(Grease Lub.)2700 min-1
Limiting Speeds(Oil Lub.)3300 min-1
Da(Min.)194 mm
Da(Max.)- mm
Db(Min.)- mm
Da(Max.)201 mm
Ra(Max.)2 mm
Mass(Refer.)6.21 kg

Technical documents & data sheet

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Record identity
KOYO NN3028K
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