99,016 bearing records · search, filter and compare

KOYO / Single-row / shielded/sealed type / non-contact sealed

KOYO 6309 2RU

Deep groove ball bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
45 mm
Outside diameterD
100 mm
WidthB
25 mm
Dynamic load ratingC
61.1 kN
Static load ratingC0
29.5 kN
Limiting speednG
6800 r/min

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 specifications10 parameters
Core specifications
ParameterSymbolValue
Variant / constructionSingle-row / Shielded/sealed type / Non-contact sealed
Bore diameterd45 mm
Outside diameterD100 mm
WidthB25 mm
Basic dynamic load ratingC61.1 kN
Basic static load ratingC029.5 kN
Fatigue load limitPu2.25 kN
Limiting speednG6800 r/min
Mass≈m0.833 kg
SealingNon-contact sealed
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key010-010-020
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathDeep groove ball bearings - Single-row - Shielded/sealed type - Non-contact sealed
Official Classification 1Deep groove ball bearings / Single-row / Shielded/sealed type / Non-contact sealed
Technical Data14 parameters
Technical Data
ParameterSymbolValue
d45 mm
D100 mm
B25 mm
R(Min.)1.5 mm
Basic Load Ratings : Cr61.1 kN
Basic Load Ratings : C0R29.5 kN
Fatigue Load Limit : Cu2.25 kN
Factor : F013.3
Limiting Speeds(Grease Lub.)6800 min-1
Da(Min.)53 mm
Da(Max.)59.5 mm
Da(Max.)92 mm
Ra(Max.)1.5 mm
Mass(Refer.)0.833 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 6309 2RU
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