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KOYO / Four-row cylindrical roller bearings

KOYO 176FC123850A

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

Technical data available
Bore diameterd
880 mm
Outside diameterD
1230 mm
WidthB
850 mm
Dynamic load ratingC
31100 kN
Static load ratingC0
82100 kN
Mass≈m
3280 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 diameterd880 mm
Outside diameterD1230 mm
WidthB850 mm
Basic dynamic load ratingC31100 kN
Basic static load ratingC082100 kN
Fatigue load limitPu6220 kN
Mass≈m3280 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
d880 mm
D1230 mm
B850 mm
C850 mm
Fw970 mm
R(Min.)7.5 mm
R1(Min.)7.5 mm
Basic Load Ratings : Cr31100 kN
Basic Load Ratings : C0R82100 kN
Fatigue Load Limit : Cu6220 kN
Da(Min.)1148 mm
Da(Max.)1194 mm
Ra(Max.)6 mm
Rb(Max.)6 mm
Mass(Refer.)3280 kg

Technical documents & data sheet

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Record identity
KOYO 176FC123850A
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