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KOYO / Four-row cylindrical roller bearings

KOYO 76FC54300

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

Technical data available
Bore diameterd
380 mm
Outside diameterD
540 mm
WidthB
300 mm
Dynamic load ratingC
4990 kN
Static load ratingC0
10100 kN
Mass≈m
222 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 diameterd380 mm
Outside diameterD540 mm
WidthB300 mm
Basic dynamic load ratingC4990 kN
Basic static load ratingC010100 kN
Fatigue load limitPu1010 kN
Mass≈m222 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
d380 mm
D540 mm
B300 mm
C300 mm
Fw421 mm
R(Min.)3 mm
R1(Min.)3 mm
Basic Load Ratings : Cr4990 kN
Basic Load Ratings : C0R10100 kN
Fatigue Load Limit : Cu1010 kN
Da(Min.)505 mm
Da(Max.)526 mm
Ra(Max.)2.5 mm
Rb(Max.)2.5 mm
Mass(Refer.)222 kg

Technical documents & data sheet

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Record identity
KOYO 76FC54300
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