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KOYO / Four-row tapered roller bearings

KOYO 37284

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

Technical data available
Bore diameterd
420 mm
Outside diameterD
592 mm
WidthB
432 mm
Dynamic load ratingC
6460 kN
Static load ratingC0
15700 kN
Mass≈m
374 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 diameterD592 mm
WidthB432 mm
Basic dynamic load ratingC6460 kN
Basic static load ratingC015700 kN
Fatigue load limitPu1410 kN
Mass≈m374 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
D592 mm
T432 mm
W432 mm
R(Min.)5 mm
R1(Min.)6 mm
Basic Load Ratings : Cr6460 kN
Basic Load Ratings : C0R15700 kN
Fatigue Load Limit : Cu1410 kN
Axial Load Factors : Y22.03 mm
Axial Load Factors : Y33.02
Axial Load Factors : Y01.98
Constant E0.33
Da(Min.)460 mm
Da(Max.)544 mm
S(Min.)7.5 mm
Ra(Max.)4 mm
Rb(Max.)5 mm
Mass(Refer.)374 kg

Technical documents & data sheet

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Record identity
KOYO 37284
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