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KOYO / Four-row cylindrical roller bearings

KOYO 4CR480

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

Technical data available
Bore diameterd
480 mm
Outside diameterD
680 mm
WidthB
500 mm
Dynamic load ratingC
9260 kN
Static load ratingC0
22000 kN
Mass≈m
580 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 diameterd480 mm
Outside diameterD680 mm
WidthB500 mm
Basic dynamic load ratingC9260 kN
Basic static load ratingC022000 kN
Fatigue load limitPu1990 kN
Mass≈m580 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
d480 mm
D680 mm
B500 mm
C500 mm
Fw534 mm
R(Min.)5 mm
R1(Min.)5 mm
Basic Load Ratings : Cr9260 kN
Basic Load Ratings : C0R22000 kN
Fatigue Load Limit : Cu1990 kN
Da(Min.)630 mm
Da(Max.)658 mm
Ra(Max.)4 mm
Rb(Max.)4 mm
Mass(Refer.)580 kg

Technical documents & data sheet

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Record identity
KOYO 4CR480
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