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KOYO / Four-row tapered roller bearings

KOYO 47T815529

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

Technical data available
Bore diameterd
406.4 mm
Outside diameterD
546.1 mm
WidthB
288.925 mm
Dynamic load ratingC
4240 kN
Static load ratingC0
9540 kN
Mass≈m
184 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 diameterd406.4 mm
Outside diameterD546.1 mm
WidthB288.925 mm
Basic dynamic load ratingC4240 kN
Basic static load ratingC09540 kN
Fatigue load limitPu906 kN
Mass≈m184 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
d406.400 mm
D546.100 mm
T288.925 mm
W288.925 mm
R(Min.)6.4 mm
R1(Min.)1.6 mm
Basic Load Ratings : Cr4240 kN
Basic Load Ratings : C0R9540 kN
Fatigue Load Limit : Cu906 kN
Axial Load Factors : Y21.43 mm
Axial Load Factors : Y32.12
Axial Load Factors : Y01.40
Constant E0.47
Da(Min.)435 mm
Da(Max.)509 mm
S(Min.)9.5 mm
Ra(Max.)6.4 mm
Rb(Max.)1.6 mm
Mass(Refer.)184 kg

Technical documents & data sheet

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Record identity
KOYO 47T815529
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