99,016 bearing records · search, filter and compare

KOYO / Four-row tapered roller bearings

KOYO 47T745235

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

Technical data available
Bore diameterd
370 mm
Outside diameterD
516 mm
WidthB
346 mm
Dynamic load ratingC
5240 kN
Static load ratingC0
11700 kN
Mass≈m
216 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 tapered roller bearings
Bore diameterd370 mm
Outside diameterD516 mm
WidthB346 mm
Basic dynamic load ratingC5240 kN
Basic static load ratingC011700 kN
Fatigue load limitPu1120 kN
Mass≈m216 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key140-020-000
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathRolling mill roll neck bearings - Four-row tapered roller bearings
Official Classification 1Rolling mill roll neck bearings / Four-row tapered roller bearings
Technical Data19 parameters
Technical Data
ParameterSymbolValue
d370 mm
D516 mm
T346 mm
W346 mm
R(Min.)4 mm
R1(Min.)1.5 mm
Basic Load Ratings : Cr5240 kN
Basic Load Ratings : C0R11700 kN
Fatigue Load Limit : Cu1120 kN
Axial Load Factors : Y21.68 mm
Axial Load Factors : Y32.50
Axial Load Factors : Y01.64
Constant E0.40
Da(Min.)398 mm
Da(Max.)479 mm
S(Min.)9 mm
Ra(Max.)3 mm
Rb(Max.)1.5 mm
Mass(Refer.)216 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 47T745235
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