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KOYO / Four-row cylindrical roller bearings

KOYO 173FC122889B

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

Technical data available
Bore diameterd
862.98 mm
Outside diameterD
1219.302 mm
WidthB
876.3 mm
Dynamic load ratingC
32200 kN
Static load ratingC0
84600 kN
Mass≈m
3450 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 diameterd862.98 mm
Outside diameterD1219.302 mm
WidthB876.3 mm
Basic dynamic load ratingC32200 kN
Basic static load ratingC084600 kN
Fatigue load limitPu6370 kN
Mass≈m3450 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
d862.98 mm
D1219.302 mm
B876.3 mm
C889 mm
Fw956 mm
R(Min.)7.5 mm
R1(Min.)7.5 mm
Basic Load Ratings : Cr32200 kN
Basic Load Ratings : C0R84600 kN
Fatigue Load Limit : Cu6370 kN
Da(Min.)1136 mm
Da(Max.)1183 mm
Ra(Max.)6 mm
Rb(Max.)6 mm
Mass(Refer.)3450 kg

Technical documents & data sheet

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Record identity
KOYO 173FC122889B
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