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KOYO / Single-row / metric series

KOYO 32307JR

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

Technical data available
Bore diameterd
35 mm
Outside diameterD
80 mm
WidthB
31 mm
Dynamic load ratingC
126 kN
Static load ratingC0
114 kN
Limiting speednG
5300 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 diameterd35 mm
Outside diameterD80 mm
WidthB31 mm
Basic dynamic load ratingC126 kN
Basic static load ratingC0114 kN
Fatigue load limitPu17.3 kN
Limiting speednG5300 r/min
Mass≈m0.776 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
d35 mm
D80 mm
T32.75 mm
B31 mm
C25 mm
R(Min.)2 mm
R1(Min.)1.5 mm
Basic Load Ratings : Cr126 kN
Basic Load Ratings : C0R114 kN
Fatigue Load Limit : Cu17.3 kN
Limiting Speeds(Grease Lub.)5300 min-1
Limiting Speeds(Oil Lub.)7000 min-1
Load Center Spread : A20.6 mm
Constant E0.31
Axial Load Factors : Y11.90
Axial Load Factors : Y01.05
Da(Min.)66 mm
Db(Max.)44 mm
Da(Max.)70 mm
Db(Min.)74 mm
Sa(Min.)3 mm
Sb(Min.)7.5 mm
Ra(Max.)2 mm
Rb(Max.)1.5 mm
Mass(Refer.)0.776 kg

Technical documents & data sheet

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Record identity
KOYO 32307JR
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