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KOYO / Four-row cylindrical roller bearings

KOYO 171FC118704

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

Technical data available
Bore diameterd
855 mm
Outside diameterD
1178 mm
WidthB
714 mm
Dynamic load ratingC
25400 kN
Static load ratingC0
62900 kN
Mass≈m
2410 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 diameterd855 mm
Outside diameterD1178 mm
WidthB714 mm
Basic dynamic load ratingC25400 kN
Basic static load ratingC062900 kN
Fatigue load limitPu4920 kN
Mass≈m2410 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
d855 mm
D1178 mm
B714 mm
C704 mm
Fw928.5 mm
R(Min.)6 mm
R1(Min.)6 mm
Basic Load Ratings : Cr25400 kN
Basic Load Ratings : C0R62900 kN
Fatigue Load Limit : Cu4920 kN
Da(Min.)1104 mm
Da(Max.)1150 mm
Ra(Max.)5 mm
Rb(Max.)5 mm
Mass(Refer.)2410 kg

Technical documents & data sheet

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Record identity
KOYO 171FC118704
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