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KOYO / Four-row tapered roller bearings

KOYO 47T2017

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

Technical data available
Bore diameterd
100 mm
Outside diameterD
170 mm
WidthB
155 mm
Dynamic load ratingC
848 kN
Static load ratingC0
1470 kN
Mass≈m
14.7 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 diameterD170 mm
WidthB155 mm
Basic dynamic load ratingC848 kN
Basic static load ratingC01470 kN
Fatigue load limitPu213 kN
Mass≈m14.7 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
D170 mm
T155 mm
W155 mm
R(Min.)2 mm
R1(Min.)2.5 mm
Basic Load Ratings : Cr848 kN
Basic Load Ratings : C0R1470 kN
Fatigue Load Limit : Cu213 kN
Axial Load Factors : Y21.95 mm
Axial Load Factors : Y32.90
Axial Load Factors : Y01.91
Constant E0.35
Da(Min.)119 mm
Da(Max.)149 mm
S(Min.)5.7 mm
Ra(Max.)2 mm
Rb(Max.)2 mm
Mass(Refer.)14.7 kg

Technical documents & data sheet

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Record identity
KOYO 47T2017
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