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KOYO / Single-row / metric series

KOYO 33109JR

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

Technical data available
Bore diameterd
45 mm
Outside diameterD
80 mm
WidthB
26 mm
Dynamic load ratingC
110 kN
Static load ratingC0
120 kN
Limiting speednG
4800 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 diameterD80 mm
WidthB26 mm
Basic dynamic load ratingC110 kN
Basic static load ratingC0120 kN
Fatigue load limitPu17.9 kN
Limiting speednG4800 r/min
Mass≈m0.563 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
D80 mm
T26 mm
B26 mm
C20.5 mm
R(Min.)1.5 mm
R1(Min.)1.5 mm
Basic Load Ratings : Cr110 kN
Basic Load Ratings : C0R120 kN
Fatigue Load Limit : Cu17.9 kN
Limiting Speeds(Grease Lub.)4800 min-1
Limiting Speeds(Oil Lub.)6400 min-1
Load Center Spread : A19.4 mm
Constant E0.38
Axial Load Factors : Y11.57
Axial Load Factors : Y00.86
Da(Min.)69 mm
Db(Max.)52 mm
Da(Max.)71.5 mm
Db(Min.)76.5 mm
Sa(Min.)4 mm
Sb(Min.)5.5 mm
Ra(Max.)1.5 mm
Rb(Max.)1.5 mm
Mass(Refer.)0.563 kg

Technical documents & data sheet

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Record identity
KOYO 33109JR
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