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KOYO / Double-row / sealed 2rs

KOYO 5309 2RS

Angular contact ball bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
45 mm
Outside diameterD
100 mm
WidthB
39.7 mm
Dynamic load ratingC
86.1 kN
Static load ratingC0
51.4 kN
Limiting speednG
4100 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 / constructionDouble-row / Sealed 2RS
Bore diameterd45 mm
Outside diameterD100 mm
WidthB39.7 mm
Basic dynamic load ratingC86.1 kN
Basic static load ratingC051.4 kN
Fatigue load limitPu2.65 kN
Limiting speednG4100 r/min
Mass≈m1.42 kg
SealingSealed 2RS
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key020-030-000
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathAngular contact ball bearings - Double-row - Sealed 2RS
Official Classification 1Angular contact ball bearings / Double-row / Sealed 2RS
Technical Data15 parameters
Technical Data
ParameterSymbolValue
d45 mm
D100 mm
B39.7 mm
R(Min.)1.5 mm
Basic Load Ratings : Cr86.1 kN
Basic Load Ratings : C0R51.4 kN
Fatigue Load Limit : Cu2.65 kN
Limiting Speeds(Grease Lub.)4100 min-1
Limiting Speeds(Oil Lub.)5500 min-1
Load Center Spread : A51.0 mm
Da(Min.)54 mm
Da(Max.)58.2 mm
Da(Max.)91.5 mm
Ra(Max.)1.5 mm
Mass(Refer.)1.42 kg

Technical documents & data sheet

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Record identity
KOYO 5309 2RS
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