99,016 bearing records · search, filter and compare

KOYO / Four-row cylindrical roller bearings

KOYO 171FC109655

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

Technical data available
Bore diameterd
855 mm
Outside diameterD
1094.9 mm
WidthB
665 mm
Dynamic load ratingC
19400 kN
Static load ratingC0
58000 kN
Mass≈m
1580 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 diameterd855 mm
Outside diameterD1094.9 mm
WidthB665 mm
Basic dynamic load ratingC19400 kN
Basic static load ratingC058000 kN
Fatigue load limitPu4480 kN
Mass≈m1580 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
d855 mm
D1094.9 mm
B665 mm
C655 mm
Fw918 mm
R(Min.)6 mm
R1(Min.)6 mm
Basic Load Ratings : Cr19400 kN
Basic Load Ratings : C0R58000 kN
Fatigue Load Limit : Cu4480 kN
Da(Min.)1038 mm
Da(Max.)1066 mm
Ra(Max.)5 mm
Rb(Max.)5 mm
Mass(Refer.)1580 kg

Technical documents & data sheet

This product page is a BearingScope catalogue reference, not a manufacturer-certified drawing. Preserve the full brand and designation when comparing files.

Record identity
KOYO 171FC109655
Document matching
Exact designation, assembly scope, revision and units must agree.

No verified redistributable CAD or manufacturer PDF is registered for this exact model. A catalogue image is not a dimensioned drawing. Missing technical files are not generated or replaced with unrelated models.

Look up another model or check drawing requirements →

Search the consolidated catalogue

Find, filter and compare bearing model data in one place.

Open model search