99,016 bearing records · search, filter and compare

KOYO / Four-row cylindrical roller bearings

KOYO 4CR120

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

Technical data available
Bore diameterd
120 mm
Outside diameterD
180 mm
WidthB
105 mm
Dynamic load ratingC
525 kN
Static load ratingC0
796 kN
Mass≈m
9.3 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 diameterd120 mm
Outside diameterD180 mm
WidthB105 mm
Basic dynamic load ratingC525 kN
Basic static load ratingC0796 kN
Fatigue load limitPu96.7 kN
Mass≈m9.3 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
d120 mm
D180 mm
B105 mm
C105 mm
Fw135 mm
R(Min.)2 mm
R1(Min.)1.1 mm
Basic Load Ratings : Cr525 kN
Basic Load Ratings : C0R796 kN
Fatigue Load Limit : Cu96.7 kN
Da(Min.)165 mm
Da(Max.)170 mm
Ra(Max.)2 mm
Rb(Max.)1 mm
Mass(Refer.)9.3 kg

Technical documents & data sheet

This product page is a BearingScope catalogue reference, not a manufacturer-certified drawing. Preserve the full brand and designation when comparing files.

Record identity
KOYO 4CR120
Document matching
Exact designation, assembly scope, revision and units must agree.

No verified redistributable CAD or manufacturer PDF is registered for this exact model. A catalogue image is not a dimensioned drawing. Missing technical files are not generated or replaced with unrelated models.

Look up another model or check drawing requirements →

Search the consolidated catalogue

Find, filter and compare bearing model data in one place.

Open model search