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KOYO / Four-row cylindrical roller bearings

KOYO 29FC21155

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

Technical data available
Bore diameterd
145 mm
Outside diameterD
210 mm
WidthB
155 mm
Dynamic load ratingC
907 kN
Static load ratingC0
1710 kN
Mass≈m
17.8 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 cylindrical roller bearings
Bore diameterd145 mm
Outside diameterD210 mm
WidthB155 mm
Basic dynamic load ratingC907 kN
Basic static load ratingC01710 kN
Fatigue load limitPu223 kN
Mass≈m17.8 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key140-010-000
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathRolling mill roll neck bearings - Four-row cylindrical roller bearings
Official Classification 1Rolling mill roll neck bearings / Four-row cylindrical roller bearings
Technical Data15 parameters
Technical Data
ParameterSymbolValue
d145 mm
D210 mm
B155 mm
C155 mm
Fw166 mm
R(Min.)1.1 mm
R1(Min.)1.1 mm
Basic Load Ratings : Cr907 kN
Basic Load Ratings : C0R1710 kN
Fatigue Load Limit : Cu223 kN
Da(Min.)196 mm
Da(Max.)203 mm
Ra(Max.)1 mm
Rb(Max.)1 mm
Mass(Refer.)17.8 kg

Technical documents & data sheet

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Record identity
KOYO 29FC21155
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