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KOYO / Four-row cylindrical roller bearings

KOYO 120FC87540A

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

Technical data available
Bore diameterd
600 mm
Outside diameterD
870 mm
WidthB
578 mm
Dynamic load ratingC
14300 kN
Static load ratingC0
32300 kN
Mass≈m
1120 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 diameterd600 mm
Outside diameterD870 mm
WidthB578 mm
Basic dynamic load ratingC14300 kN
Basic static load ratingC032300 kN
Fatigue load limitPu2770 kN
Mass≈m1120 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
d600 mm
D870 mm
B578 mm
C540 mm
Fw672 mm
R(Min.)6 mm
R1(Min.)SP mm
Basic Load Ratings : Cr14300 kN
Basic Load Ratings : C0R32300 kN
Fatigue Load Limit : Cu2770 kN
Da(Min.)808 mm
Da(Max.)842 mm
Ra(Max.)5 mm
Rb(Max.)5 mm
Mass(Refer.)1120 kg

Technical documents & data sheet

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Record identity
KOYO 120FC87540A
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