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KOYO / Four-row cylindrical roller bearings

KOYO 48FC33250W

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

Technical data available
Bore diameterd
240 mm
Outside diameterD
330 mm
WidthB
250 mm
Dynamic load ratingC
2320 kN
Static load ratingC0
4910 kN
Mass≈m
63.7 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 cylindrical roller bearings
Bore diameterd240 mm
Outside diameterD330 mm
WidthB250 mm
Basic dynamic load ratingC2320 kN
Basic static load ratingC04910 kN
Fatigue load limitPu546 kN
Mass≈m63.7 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
d240 mm
D330 mm
B250 mm
C250 mm
Fw263 mm
R(Min.)2.1 mm
R1(Min.)2.1 mm
Basic Load Ratings : Cr2320 kN
Basic Load Ratings : C0R4910 kN
Fatigue Load Limit : Cu546 kN
Da(Min.)309 mm
Da(Max.)318 mm
Ra(Max.)2 mm
Rb(Max.)2 mm
Mass(Refer.)63.7 kg

Technical documents & data sheet

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Record identity
KOYO 48FC33250W
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