99,016 bearing records · search, filter and compare

KOYO / Four-row cylindrical roller bearings

KOYO 86FC59420A-1

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
6340 kN
Static load ratingC0
14700 kN
Mass≈m
340 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 ratingC6340 kN
Basic static load ratingC014700 kN
Fatigue load limitPu1380 kN
Mass≈m340 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
Fw476 mm
R(Min.)4 mm
R1(Min.)4 mm
Basic Load Ratings : Cr6340 kN
Basic Load Ratings : C0R14700 kN
Fatigue Load Limit : Cu1380 kN
Da(Min.)552 mm
Da(Max.)573 mm
Ra(Max.)3 mm
Rb(Max.)3 mm
Mass(Refer.)340 kg

Technical documents & data sheet

This product page is a BearingScope catalogue reference, not a manufacturer-certified drawing. Preserve the full brand and designation when comparing files.

Record identity
KOYO 86FC59420A-1
Document matching
Exact designation, assembly scope, revision and units must agree.

No verified redistributable CAD or manufacturer PDF is registered for this exact model. A catalogue image is not a dimensioned drawing. Missing technical files are not generated or replaced with unrelated models.

Look up another model or check drawing requirements →

Search the consolidated catalogue

Find, filter and compare bearing model data in one place.

Open model search