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KOYO / Four-row tapered roller bearings

KOYO 47T403423

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

Technical data available
Bore diameterd
200 mm
Outside diameterD
340 mm
WidthB
234 mm
Dynamic load ratingC
2510 kN
Static load ratingC0
4150 kN
Mass≈m
86 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 diameterd200 mm
Outside diameterD340 mm
WidthB234 mm
Basic dynamic load ratingC2510 kN
Basic static load ratingC04150 kN
Fatigue load limitPu473 kN
Mass≈m86 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
d200 mm
D340 mm
T234 mm
W234 mm
R(Min.)3 mm
R1(Min.)4 mm
Basic Load Ratings : Cr2510 kN
Basic Load Ratings : C0R4150 kN
Fatigue Load Limit : Cu473 kN
Axial Load Factors : Y21.68 mm
Axial Load Factors : Y32.50
Axial Load Factors : Y01.64
Constant E0.40
Da(Min.)234 mm
Da(Max.)302 mm
S(Min.)6 mm
Ra(Max.)2.5 mm
Rb(Max.)4 mm
Mass(Refer.)86 kg

Technical documents & data sheet

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Record identity
KOYO 47T403423
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