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KOYO / Single-row / inch series

KOYO 449/432

Tapered roller bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
34.925 mm
Outside diameterD
95.25 mm
WidthB
29.901 mm
Dynamic load ratingC
129 kN
Static load ratingC0
122 kN
Limiting speednG
4500 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 / Inch series
Bore diameterd34.925 mm
Outside diameterD95.25 mm
WidthB29.901 mm
Basic dynamic load ratingC129 kN
Basic static load ratingC0122 kN
Fatigue load limitPu18.8 kN
Limiting speednG4500 r/min
Mass≈m1.07 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key050-010-020
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathTapered roller bearings - Single-row - Inch series
Official Classification 1Tapered roller bearings / Single-row / Inch series
Technical Data23 parameters
Technical Data
ParameterSymbolValue
d34.925 mm
D95.250 mm
T27.783 mm
B29.901 mm
C22.225 mm
R(Min.)0.8 mm
R1(Min.)2.4 mm
Basic Load Ratings : Cr129 kN
Basic Load Ratings : C0R122 kN
Fatigue Load Limit : Cu18.8 kN
Limiting Speeds(Grease Lub.)4500 min-1
Limiting Speeds(Oil Lub.)5900 min-1
Load Center Spread : A18.4 mm
Constant :E0.28
Axial Load Factors : Y12.11
Axial Load Factors : Y01.16
Da44.0 mm
Db43.5 mm
Da83.0 mm
Db87.0 mm
Ra(Max.)0.8 mm
Rb(Max.)2.4 mm
Mass(Refer.)1.07 kg

Technical documents & data sheet

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Record identity
KOYO 449/432
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