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KOYO / Four-row cylindrical roller bearings

KOYO 104FC74535

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

Technical data available
Bore diameterd
520 mm
Outside diameterD
735 mm
WidthB
535 mm
Dynamic load ratingC
11300 kN
Static load ratingC0
27200 kN
Mass≈m
738 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 diameterd520 mm
Outside diameterD735 mm
WidthB535 mm
Basic dynamic load ratingC11300 kN
Basic static load ratingC027200 kN
Fatigue load limitPu2400 kN
Mass≈m738 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
d520 mm
D735 mm
B535 mm
C535 mm
Fw574.5 mm
R(Min.)5 mm
R1(Min.)5 mm
Basic Load Ratings : Cr11300 kN
Basic Load Ratings : C0R27200 kN
Fatigue Load Limit : Cu2400 kN
Da(Min.)680 mm
Da(Max.)713 mm
Ra(Max.)4 mm
Rb(Max.)4 mm
Mass(Refer.)738 kg

Technical documents & data sheet

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Record identity
KOYO 104FC74535
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