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KOYO / Single-row / nnu / cylindrical bore

KOYO NNU4988

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

Technical data available
Bore diameterd
440 mm
Outside diameterD
600 mm
WidthB
160 mm
Dynamic load ratingC
2060 kN
Static load ratingC0
5000 kN
Limiting speednG
660 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 / NNU / Cylindrical bore
Bore diameterd440 mm
Outside diameterD600 mm
WidthB160 mm
Basic dynamic load ratingC2060 kN
Basic static load ratingC05000 kN
Fatigue load limitPu477 kN
Limiting speednG660 r/min
Mass≈m133 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key040-020-020
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathCylindrical roller bearings - Single-row - NNU - Cylindrical bore
Official Classification 1Cylindrical roller bearings / Single-row / NNU / Cylindrical bore
Technical Data17 parameters
Technical Data
ParameterSymbolValue
d440 mm
D600 mm
B160 mm
R(Min.)4 mm
Fw487 mm
Ew- mm
Basic Load Ratings : Cr2060 kN
Basic Load Ratings : C0R5000 kN
Fatigue Load Limit : Cu477 kN
Limiting Speeds(Grease Lub.)660 min-1
Limiting Speeds(Oil Lub.)800 min-1
Da(Min.)- mm
Da(Max.)483 mm
Db(Min.)492 mm
Da(Max.)584 mm
Ra(Max.)3 mm
Mass(Refer.)133 kg

Technical documents & data sheet

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Record identity
KOYO NNU4988
Document matching
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