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KOYO / Single-row / n

KOYO N309

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
98.5 kN
Static load ratingC0
77.5 kN
Limiting speednG
6200 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 / N
Bore diameterd45 mm
Outside diameterD100 mm
WidthB25 mm
Basic dynamic load ratingC98.5 kN
Basic static load ratingC077.5 kN
Fatigue load limitPu11.3 kN
Limiting speednG6200 r/min
Mass≈m0.853 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key040-010-000
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathCylindrical roller bearings - Single-row - N
Official Classification 1Cylindrical roller bearings / Single-row / N
Technical Data26 parameters
Technical Data
ParameterSymbolValue
d45 mm
D100 mm
B25 mm
R(Min.)1.5 mm
R1(Min.)1.5 mm
Fw- mm
Ew86.5 mm
Basic Load Ratings : Cr98.5 kN
Basic Load Ratings : C0R77.5 kN
Fatigue Load Limit : Cu11.3 kN
Limiting Speeds(Grease Lub.)6200 min-1
Limiting Speeds(Oil Lub.)8300 min-1
Sd1- mm
B1- mm
B2- mm
Da(Min.)53 mm
Db(Min.)- mm
Db(Max.)- mm
Dc(Min.)- mm
Dd(Min.)- mm
Da(Max.)- mm
Db(Max.)92 mm
Db(Min.)89 mm
Ra(Max.)1.5 mm
Rb(Max.)1.5 mm
Mass(Refer.)0.853 kg

Technical documents & data sheet

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Record identity
KOYO N309
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