99,016 bearing records · search, filter and compare

KOYO / Square-flanged type

KOYO UCF201

Ball bearing units technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
12 mm
WidthB
31 mm
Dynamic load ratingC
12.8 kN
Static load ratingC0
6.65 kN
d
12 mm
L
86 mm

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 specifications6 parameters
Core specifications
ParameterSymbolValue
Variant / constructionSquare-flanged type
Bore diameterd12 mm
WidthB31 mm
Basic dynamic load ratingC12.8 kN
Basic static load ratingC06.65 kN
Fatigue load limitPu0.302 kN
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key100-040-000
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathBall bearing units - Square-flanged type
Official Classification 1Ball bearing units / Square-flanged type
Technical Data16 parameters
Technical Data
ParameterSymbolValue
d12 mm
L86 mm
A25.5 mm
J64 mm
N12 mm
A111 mm
A215 mm
A033.3 mm
B31 mm
S12.7 mm
Bolt SizeM10
Basic Load Ratings : Cr12.8 kN
Basic Load Ratings : C0R6.65 kN
Fatigue Load Limit : Cu0.302 kN
Factor : F013.2
Nipple Size1/4-28UNF

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 UCF201
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