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KOYO / Four-row cylindrical roller bearings

KOYO 86FC59420

Rolling mill roll neck bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
430 mm
Outside diameterD
591 mm
WidthB
420 mm
Dynamic load ratingC
7030 kN
Static load ratingC0
16800 kN
Mass≈m
345 kg

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 specifications8 parameters
Core specifications
ParameterSymbolValue
Variant / constructionFour-row cylindrical roller bearings
Bore diameterd430 mm
Outside diameterD591 mm
WidthB420 mm
Basic dynamic load ratingC7030 kN
Basic static load ratingC016800 kN
Fatigue load limitPu1570 kN
Mass≈m345 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key140-010-000
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathRolling mill roll neck bearings - Four-row cylindrical roller bearings
Official Classification 1Rolling mill roll neck bearings / Four-row cylindrical roller bearings
Technical Data15 parameters
Technical Data
ParameterSymbolValue
d430 mm
D591 mm
B420 mm
C420 mm
Fw472 mm
R(Min.)5 mm
R1(Min.)5 mm
Basic Load Ratings : Cr7030 kN
Basic Load Ratings : C0R16800 kN
Fatigue Load Limit : Cu1570 kN
Da(Min.)552 mm
Da(Max.)569 mm
Ra(Max.)4 mm
Rb(Max.)4 mm
Mass(Refer.)345 kg

Technical documents & data sheet

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Record identity
KOYO 86FC59420
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