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KOYO / Four-row cylindrical roller bearings

KOYO 100FC68450

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

Technical data available
Bore diameterd
500 mm
Outside diameterD
680 mm
WidthB
450 mm
Dynamic load ratingC
9650 kN
Static load ratingC0
23100 kN
Mass≈m
495 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 diameterd500 mm
Outside diameterD680 mm
WidthB450 mm
Basic dynamic load ratingC9650 kN
Basic static load ratingC023100 kN
Fatigue load limitPu2110 kN
Mass≈m495 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
d500 mm
D680 mm
B450 mm
C450 mm
Fw542.5 mm
R(Min.)4 mm
R1(Min.)4 mm
Basic Load Ratings : Cr9650 kN
Basic Load Ratings : C0R23100 kN
Fatigue Load Limit : Cu2110 kN
Da(Min.)639 mm
Da(Max.)662 mm
Ra(Max.)3 mm
Rb(Max.)3 mm
Mass(Refer.)495 kg

Technical documents & data sheet

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Record identity
KOYO 100FC68450
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