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KOYO / Four-row tapered roller bearings

KOYO 4TR500Q

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

Technical data available
Bore diameterd
500 mm
Outside diameterD
760 mm
WidthB
420 mm
Dynamic load ratingC
9400 kN
Static load ratingC0
19300 kN
Mass≈m
698 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 diameterd500 mm
Outside diameterD760 mm
WidthB420 mm
Basic dynamic load ratingC9400 kN
Basic static load ratingC019300 kN
Fatigue load limitPu1730 kN
Mass≈m698 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
d500 mm
D760 mm
T420 mm
W420 mm
R(Min.)2 mm
R1(Min.)6 mm
Basic Load Ratings : Cr9400 kN
Basic Load Ratings : C0R19300 kN
Fatigue Load Limit : Cu1730 kN
Axial Load Factors : Y21.74 mm
Axial Load Factors : Y32.59
Axial Load Factors : Y01.70
Constant E0.39
Da(Min.)566 mm
Da(Max.)696 mm
S(Min.)11.5 mm
Ra(Max.)2 mm
Rb(Max.)6 mm
Mass(Refer.)698 kg

Technical documents & data sheet

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Record identity
KOYO 4TR500Q
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