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KOYO / Four-row tapered roller bearings

KOYO 47T745638

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

Technical data available
Bore diameterd
368.3 mm
Outside diameterD
563 mm
WidthB
382.588 mm
Dynamic load ratingC
6790 kN
Static load ratingC0
13600 kN
Mass≈m
344 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 diameterd368.3 mm
Outside diameterD563 mm
WidthB382.588 mm
Basic dynamic load ratingC6790 kN
Basic static load ratingC013600 kN
Fatigue load limitPu1320 kN
Mass≈m344 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
d368.300 mm
D563.000 mm
T382.588 mm
W382.588 mm
R(Min.)6.4 mm
R1(Min.)3.2 mm
Basic Load Ratings : Cr6790 kN
Basic Load Ratings : C0R13600 kN
Fatigue Load Limit : Cu1320 kN
Axial Load Factors : Y22.32 mm
Axial Load Factors : Y33.45
Axial Load Factors : Y02.26
Constant E0.29
Da(Min.)417 mm
Da(Max.)516 mm
S(Min.)10.5 mm
Ra(Max.)6.4 mm
Rb(Max.)3.2 mm
Mass(Refer.)344 kg

Technical documents & data sheet

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Record identity
KOYO 47T745638
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