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KOYO / Four-row cylindrical roller bearings

KOYO 84FC58320

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

Technical data available
Bore diameterd
420 mm
Outside diameterD
580 mm
WidthB
320 mm
Dynamic load ratingC
5110 kN
Static load ratingC0
11000 kN
Mass≈m
249 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 diameterd420 mm
Outside diameterD580 mm
WidthB320 mm
Basic dynamic load ratingC5110 kN
Basic static load ratingC011000 kN
Fatigue load limitPu1070 kN
Mass≈m249 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
d420 mm
D580 mm
B320 mm
C320 mm
Fw463 mm
R(Min.)4 mm
R1(Min.)4 mm
Basic Load Ratings : Cr5110 kN
Basic Load Ratings : C0R11000 kN
Fatigue Load Limit : Cu1070 kN
Da(Min.)543 mm
Da(Max.)562 mm
Ra(Max.)3 mm
Rb(Max.)3 mm
Mass(Refer.)249 kg

Technical documents & data sheet

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Record identity
KOYO 84FC58320
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