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KOYO / Four-row tapered roller bearings

KOYO 47T725237

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

Technical data available
Bore diameterd
360 mm
Outside diameterD
520 mm
WidthB
370 mm
Dynamic load ratingC
5290 kN
Static load ratingC0
11400 kN
Mass≈m
259 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 diameterd360 mm
Outside diameterD520 mm
WidthB370 mm
Basic dynamic load ratingC5290 kN
Basic static load ratingC011400 kN
Fatigue load limitPu1090 kN
Mass≈m259 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
d360 mm
D520 mm
T370 mm
W370 mm
R(Min.)5 mm
R1(Min.)6 mm
Basic Load Ratings : Cr5290 kN
Basic Load Ratings : C0R11400 kN
Fatigue Load Limit : Cu1090 kN
Axial Load Factors : Y22.03 mm
Axial Load Factors : Y33.02
Axial Load Factors : Y01.98
Constant E0.33
Da(Min.)395 mm
Da(Max.)476 mm
S(Min.)8.5 mm
Ra(Max.)4 mm
Rb(Max.)5 mm
Mass(Refer.)259 kg

Technical documents & data sheet

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Record identity
KOYO 47T725237
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