99,016 bearing records · search, filter and compare

KOYO / Four-row cylindrical roller bearings

KOYO 25FC17150

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

Technical data available
Bore diameterd
127 mm
Outside diameterD
174.65 mm
WidthB
150.812 mm
Dynamic load ratingC
677 kN
Static load ratingC0
1300 kN
Mass≈m
10.5 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 diameterd127 mm
Outside diameterD174.65 mm
WidthB150.812 mm
Basic dynamic load ratingC677 kN
Basic static load ratingC01300 kN
Fatigue load limitPu170 kN
Mass≈m10.5 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
d127 mm
D174.65 mm
B150.812 mm
C150.812 mm
Fw139.5 mm
R(Min.)1.1 mm
R1(Min.)1.1 mm
Basic Load Ratings : Cr677 kN
Basic Load Ratings : C0R1300 kN
Fatigue Load Limit : Cu170 kN
Da(Min.)163 mm
Da(Max.)167 mm
Ra(Max.)1 mm
Rb(Max.)1 mm
Mass(Refer.)10.5 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 25FC17150
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