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KOYO / Four-row cylindrical roller bearings

KOYO 112FC78570

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

Technical data available
Bore diameterd
560 mm
Outside diameterD
780 mm
WidthB
570 mm
Dynamic load ratingC
13300 kN
Static load ratingC0
33100 kN
Mass≈m
865 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 diameterd560 mm
Outside diameterD780 mm
WidthB570 mm
Basic dynamic load ratingC13300 kN
Basic static load ratingC033100 kN
Fatigue load limitPu2870 kN
Mass≈m865 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
d560 mm
D780 mm
B570 mm
C570 mm
Fw616 mm
R(Min.)5 mm
R1(Min.)2.1 mm
Basic Load Ratings : Cr13300 kN
Basic Load Ratings : C0R33100 kN
Fatigue Load Limit : Cu2870 kN
Da(Min.)727 mm
Da(Max.)758 mm
Ra(Max.)4 mm
Rb(Max.)2 mm
Mass(Refer.)865 kg

Technical documents & data sheet

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Record identity
KOYO 112FC78570
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