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KOYO / Four-row cylindrical roller bearings

KOYO 180FC123870

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

Technical data available
Bore diameterd
900 mm
Outside diameterD
1230 mm
WidthB
895 mm
Dynamic load ratingC
28300 kN
Static load ratingC0
77500 kN
Mass≈m
3170 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 diameterd900 mm
Outside diameterD1230 mm
WidthB895 mm
Basic dynamic load ratingC28300 kN
Basic static load ratingC077500 kN
Fatigue load limitPu5850 kN
Mass≈m3170 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
d900 mm
D1230 mm
B895 mm
C870 mm
Fw990 mm
R(Min.)7.5 mm
R1(Min.)7.5 mm
Basic Load Ratings : Cr28300 kN
Basic Load Ratings : C0R77500 kN
Fatigue Load Limit : Cu5850 kN
Da(Min.)1154 mm
Da(Max.)1194 mm
Ra(Max.)6 mm
Rb(Max.)6 mm
Mass(Refer.)3170 kg

Technical documents & data sheet

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Record identity
KOYO 180FC123870
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