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KOYO / Single-row / metric series

KOYO 33019JR

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

Technical data available
Bore diameterd
95 mm
Outside diameterD
145 mm
WidthB
39 mm
Dynamic load ratingC
284 kN
Static load ratingC0
382 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 / Metric series
Bore diameterd95 mm
Outside diameterD145 mm
WidthB39 mm
Basic dynamic load ratingC284 kN
Basic static load ratingC0382 kN
Fatigue load limitPu57.3 kN
Limiting speednG2500 r/min
Mass≈m2.31 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
d95 mm
D145 mm
T39 mm
B39 mm
C32.5 mm
R(Min.)2 mm
R1(Min.)1.5 mm
Basic Load Ratings : Cr284 kN
Basic Load Ratings : C0R382 kN
Fatigue Load Limit : Cu57.3 kN
Limiting Speeds(Grease Lub.)2500 min-1
Limiting Speeds(Oil Lub.)3300 min-1
Load Center Spread : A27.8 mm
Constant E0.28
Axial Load Factors : Y12.16
Axial Load Factors : Y01.19
Da(Min.)131 mm
Db(Max.)104 mm
Da(Max.)136.5 mm
Db(Min.)139 mm
Sa(Min.)7 mm
Sb(Min.)6.5 mm
Ra(Max.)2 mm
Rb(Max.)1.5 mm
Mass(Refer.)2.31 kg

Technical documents & data sheet

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Record identity
KOYO 33019JR
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