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KOYO / Single-row / inch series

KOYO JM718149/10

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

Technical data available
Bore diameterd
90 mm
Outside diameterD
145 mm
WidthB
34 mm
Dynamic load ratingC
244 kN
Static load ratingC0
291 kN
Limiting speednG
2500 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 diameterd90 mm
Outside diameterD145 mm
WidthB34 mm
Basic dynamic load ratingC244 kN
Basic static load ratingC0291 kN
Fatigue load limitPu43.5 kN
Limiting speednG2500 r/min
Mass≈m2.122 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
d90.000 mm
D145.000 mm
T35.000 mm
B34.000 mm
C27.000 mm
R(Min.)3.0 mm
R1(Min.)2.5 mm
Basic Load Ratings : Cr244 kN
Basic Load Ratings : C0R291 kN
Fatigue Load Limit : Cu43.5 kN
Limiting Speeds(Grease Lub.)2500 min-1
Limiting Speeds(Oil Lub.)3400 min-1
Load Center Spread : A32.7 mm
Constant :E0.44
Axial Load Factors : Y11.35
Axial Load Factors : Y00.74
Da105.0 mm
Db99.0 mm
Da131.0 mm
Db139.0 mm
Ra(Max.)3.0 mm
Rb(Max.)2.5 mm
Mass(Refer.)2.122 kg

Technical documents & data sheet

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Record identity
KOYO JM718149/10
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