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KOYO / Four-row tapered roller bearings

KOYO 47T845644

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

Technical data available
Bore diameterd
420 mm
Outside diameterD
560 mm
WidthB
437 mm
Dynamic load ratingC
6010 kN
Static load ratingC0
14900 kN
Mass≈m
283 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 diameterd420 mm
Outside diameterD560 mm
WidthB437 mm
Basic dynamic load ratingC6010 kN
Basic static load ratingC014900 kN
Fatigue load limitPu1380 kN
Mass≈m283 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
d420 mm
D560 mm
T437 mm
W437 mm
R(Min.)4 mm
R1(Min.)1.5 mm
Basic Load Ratings : Cr6010 kN
Basic Load Ratings : C0R14900 kN
Fatigue Load Limit : Cu1380 kN
Axial Load Factors : Y22.55 mm
Axial Load Factors : Y33.80
Axial Load Factors : Y02.50
Constant E0.26
Da(Min.)450 mm
Da(Max.)526 mm
S(Min.)4 mm
Ra(Max.)3 mm
Rb(Max.)1.5 mm
Mass(Refer.)283 kg

Technical documents & data sheet

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Record identity
KOYO 47T845644
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