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KOYO / Four-row cylindrical roller bearings

KOYO 84FC56280

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

Technical data available
Bore diameterd
420 mm
Outside diameterD
560 mm
WidthB
280 mm
Dynamic load ratingC
4200 kN
Static load ratingC0
9410 kN
Mass≈m
189 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 diameterD560 mm
WidthB280 mm
Basic dynamic load ratingC4200 kN
Basic static load ratingC09410 kN
Fatigue load limitPu913 kN
Mass≈m189 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
D560 mm
B280 mm
C280 mm
Fw457 mm
R(Min.)4 mm
R1(Min.)4 mm
Basic Load Ratings : Cr4200 kN
Basic Load Ratings : C0R9410 kN
Fatigue Load Limit : Cu913 kN
Da(Min.)527 mm
Da(Max.)542 mm
Ra(Max.)3 mm
Rb(Max.)3 mm
Mass(Refer.)189 kg

Technical documents & data sheet

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Record identity
KOYO 84FC56280
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