99,016 bearing records · search, filter and compare

KOYO / Single-row / nup

KOYO NUP309R

Cylindrical roller 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
122 kN
Static load ratingC0
98.3 kN
Limiting speednG
6100 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 specifications9 parameters
Core specifications
ParameterSymbolValue
Variant / constructionSingle-row / NUP
Bore diameterd45 mm
Outside diameterD100 mm
WidthB25 mm
Basic dynamic load ratingC122 kN
Basic static load ratingC098.3 kN
Fatigue load limitPu13.5 kN
Limiting speednG6100 r/min
Mass≈m0.959 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key040-010-000
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathCylindrical roller bearings - Single-row - NUP
Official Classification 1Cylindrical roller bearings / Single-row / NUP
Technical Data26 parameters
Technical Data
ParameterSymbolValue
d45 mm
D100 mm
B25 mm
R(Min.)1.5 mm
R1(Min.)1.5 mm
Fw58.5 mm
Ew- mm
Basic Load Ratings : Cr122 kN
Basic Load Ratings : C0R98.3 kN
Fatigue Load Limit : Cu13.5 kN
Limiting Speeds(Grease Lub.)6100 min-1
Limiting Speeds(Oil Lub.)8200 min-1
Sd1- mm
B1- mm
B2- mm
Da(Min.)53 mm
Db(Min.)53 mm
Db(Max.)57 mm
Dc(Min.)- mm
Dd(Min.)- mm
Da(Max.)92 mm
Db(Max.)- mm
Db(Min.)- mm
Ra(Max.)1.5 mm
Rb(Max.)1.5 mm
Mass(Refer.)0.959 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 NUP309R
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