99,016 bearing records · search, filter and compare

KOYO / Open type / four-point contact type

KOYO KGX050

K-series super thin section ball bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
127 mm
Outside diameterD
177.8 mm
WidthB
25.4 mm
Dynamic load ratingC
40.3 kN
Static load ratingC0
40.7 kN
d
127 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 specifications7 parameters
Core specifications
ParameterSymbolValue
Variant / constructionOpen type / Four-point contact type
Bore diameterd127 mm
Outside diameterD177.8 mm
WidthB25.4 mm
Basic dynamic load ratingC40.3 kN
Basic static load ratingC040.7 kN
SealingOpen
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key120-010-000
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathK-series super thin section ball bearings - Open type - Four-point contact type
Official Classification 1K-series super thin section ball bearings / Open type / Four-point contact type
Technical Data6 parameters
Technical Data
ParameterSymbolValue
d127 mm
D177.8 mm
B25.4 mm
R(Min.)2 mm
Basic Load Ratings : Cr40.3 kN
Basic Load Ratings : C0R40.7 kN

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 KGX050
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