99,016 bearing records · search, filter and compare

KOYO / Single-row / shielded/sealed type / shielded zz

KOYO 6909 ZZ

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

Technical data available
Bore diameterd
45 mm
Outside diameterD
68 mm
WidthB
12 mm
Dynamic load ratingC
17.7 kN
Static load ratingC0
10.9 kN
Limiting speednG
9700 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 / Shielded ZZ
Bore diameterd45 mm
Outside diameterD68 mm
WidthB12 mm
Basic dynamic load ratingC17.7 kN
Basic static load ratingC010.9 kN
Fatigue load limitPu0.6 kN
Limiting speednG9700 r/min
Mass≈m0.132 kg
SealingShielded ZZ
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 - Shielded ZZ
Official Classification 1Deep groove ball bearings / Single-row / Shielded/sealed type / Shielded ZZ
Technical Data14 parameters
Technical Data
ParameterSymbolValue
d45 mm
D68 mm
B12 mm
R(Min.)0.6 mm
Basic Load Ratings : Cr17.7 kN
Basic Load Ratings : C0R10.9 kN
Fatigue Load Limit : Cu0.600 kN
Factor : F015.9
Limiting Speeds(Grease Lub.)9700 min-1
Da(Min.)49 mm
Da(Max.)50 mm
Da(Max.)64 mm
Ra(Max.)0.6 mm
Mass(Refer.)0.132 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 6909 ZZ
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