99,016 bearing records · search, filter and compare

KOYO / Four-row cylindrical roller bearings

KOYO 4CR950A

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

Technical data available
Bore diameterd
950 mm
Outside diameterD
1300 mm
WidthB
965 mm
Dynamic load ratingC
35000 kN
Static load ratingC0
96900 kN
Mass≈m
3900 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 diameterd950 mm
Outside diameterD1300 mm
WidthB965 mm
Basic dynamic load ratingC35000 kN
Basic static load ratingC096900 kN
Fatigue load limitPu7090 kN
Mass≈m3900 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
d950 mm
D1300 mm
B965 mm
C950 mm
Fw1036 mm
R(Min.)7.5 mm
R1(Min.)7.5 mm
Basic Load Ratings : Cr35000 kN
Basic Load Ratings : C0R96900 kN
Fatigue Load Limit : Cu7090 kN
Da(Min.)1216 mm
Da(Max.)1264 mm
Ra(Max.)6 mm
Rb(Max.)6 mm
Mass(Refer.)3900 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 4CR950A
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