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KOYO / Four-row cylindrical roller bearings

KOYO 64FC48290

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

Technical data available
Bore diameterd
320 mm
Outside diameterD
480 mm
WidthB
290 mm
Dynamic load ratingC
4390 kN
Static load ratingC0
8450 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 diameterd320 mm
Outside diameterD480 mm
WidthB290 mm
Basic dynamic load ratingC4390 kN
Basic static load ratingC08450 kN
Fatigue load limitPu883 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
d320 mm
D480 mm
B290 mm
C290 mm
Fw361 mm
R(Min.)4 mm
R1(Min.)4 mm
Basic Load Ratings : Cr4390 kN
Basic Load Ratings : C0R8450 kN
Fatigue Load Limit : Cu883 kN
Da(Min.)441 mm
Da(Max.)462 mm
Ra(Max.)3 mm
Rb(Max.)3 mm
Mass(Refer.)189 kg

Technical documents & data sheet

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Record identity
KOYO 64FC48290
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