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KOYO / Single-row / metric series

KOYO 30309CR

Tapered 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
136 kN
Static load ratingC0
119 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 specifications9 parameters
Core specifications
ParameterSymbolValue
Variant / constructionSingle-row / Metric series
Bore diameterd45 mm
Outside diameterD100 mm
WidthB25 mm
Basic dynamic load ratingC136 kN
Basic static load ratingC0119 kN
Fatigue load limitPu18.1 kN
Limiting speednG4100 r/min
Mass≈m1 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key050-010-010
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathTapered roller bearings - Single-row - Metric series
Official Classification 1Tapered roller bearings / Single-row / Metric series
Technical Data25 parameters
Technical Data
ParameterSymbolValue
d45 mm
D100 mm
T27.25 mm
B25 mm
C20 mm
R(Min.)2 mm
R1(Min.)1.5 mm
Basic Load Ratings : Cr136 kN
Basic Load Ratings : C0R119 kN
Fatigue Load Limit : Cu18.1 kN
Limiting Speeds(Grease Lub.)4100 min-1
Limiting Speeds(Oil Lub.)5500 min-1
Load Center Spread : A25.7 mm
Constant E0.55
Axial Load Factors : Y11.10
Axial Load Factors : Y00.60
Da(Min.)81 mm
Db(Max.)57 mm
Da(Max.)90 mm
Db(Min.)94 mm
Sa(Min.)4 mm
Sb(Min.)7 mm
Ra(Max.)2 mm
Rb(Max.)1.5 mm
Mass(Refer.)1.00 kg

Technical documents & data sheet

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Record identity
KOYO 30309CR
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