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KOYO / Four-row cylindrical roller bearings

KOYO 52FC37260

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

Technical data available
Bore diameterd
260 mm
Outside diameterD
370 mm
WidthB
260 mm
Dynamic load ratingC
2840 kN
Static load ratingC0
5740 kN
Mass≈m
88.5 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 diameterd260 mm
Outside diameterD370 mm
WidthB260 mm
Basic dynamic load ratingC2840 kN
Basic static load ratingC05740 kN
Fatigue load limitPu623 kN
Mass≈m88.5 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
d260 mm
D370 mm
B260 mm
C260 mm
Fw290 mm
R(Min.)2.1 mm
R1(Min.)2.1 mm
Basic Load Ratings : Cr2840 kN
Basic Load Ratings : C0R5740 kN
Fatigue Load Limit : Cu623 kN
Da(Min.)346 mm
Da(Max.)358 mm
Ra(Max.)2 mm
Rb(Max.)2 mm
Mass(Refer.)88.5 kg

Technical documents & data sheet

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Record identity
KOYO 52FC37260
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