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KOYO / Four-row tapered roller bearings

KOYO 37220

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

Technical data available
Bore diameterd
100 mm
Outside diameterD
140 mm
WidthB
104 mm
Dynamic load ratingC
362 kN
Static load ratingC0
661 kN
Mass≈m
4.6 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 diameterd100 mm
Outside diameterD140 mm
WidthB104 mm
Basic dynamic load ratingC362 kN
Basic static load ratingC0661 kN
Fatigue load limitPu96.9 kN
Mass≈m4.6 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
d100 mm
D140 mm
T104 mm
W104 mm
R(Min.)2 mm
R1(Min.)2.5 mm
Basic Load Ratings : Cr362 kN
Basic Load Ratings : C0R661 kN
Fatigue Load Limit : Cu96.9 kN
Axial Load Factors : Y22.37 mm
Axial Load Factors : Y33.53
Axial Load Factors : Y02.32
Constant E0.28
Da(Min.)112 mm
Da(Max.)125 mm
S(Min.)3.8 mm
Ra(Max.)2 mm
Rb(Max.)2 mm
Mass(Refer.)4.6 kg

Technical documents & data sheet

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Record identity
KOYO 37220
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