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KOYO / Four-row cylindrical roller bearings

KOYO 122FC87660

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

Technical data available
Bore diameterd
610 mm
Outside diameterD
870 mm
WidthB
660 mm
Dynamic load ratingC
16300 kN
Static load ratingC0
40300 kN
Mass≈m
1310 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 diameterd610 mm
Outside diameterD870 mm
WidthB660 mm
Basic dynamic load ratingC16300 kN
Basic static load ratingC040300 kN
Fatigue load limitPu3360 kN
Mass≈m1310 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
d610 mm
D870 mm
B660 mm
C660 mm
Fw680 mm
R(Min.)6 mm
R1(Min.)6 mm
Basic Load Ratings : Cr16300 kN
Basic Load Ratings : C0R40300 kN
Fatigue Load Limit : Cu3360 kN
Da(Min.)808 mm
Da(Max.)842 mm
Ra(Max.)5 mm
Rb(Max.)5 mm
Mass(Refer.)1310 kg

Technical documents & data sheet

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Record identity
KOYO 122FC87660
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