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KOYO / Single-row / metric series

KOYO 33115JR

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

Technical data available
Bore diameterd
75 mm
Outside diameterD
125 mm
WidthB
37 mm
Dynamic load ratingC
234 kN
Static load ratingC0
280 kN
Limiting speednG
3000 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 diameterd75 mm
Outside diameterD125 mm
WidthB37 mm
Basic dynamic load ratingC234 kN
Basic static load ratingC0280 kN
Fatigue load limitPu43.4 kN
Limiting speednG3000 r/min
Mass≈m1.84 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
d75 mm
D125 mm
T37 mm
B37 mm
C29 mm
R(Min.)2 mm
R1(Min.)1.5 mm
Basic Load Ratings : Cr234 kN
Basic Load Ratings : C0R280 kN
Fatigue Load Limit : Cu43.4 kN
Limiting Speeds(Grease Lub.)3000 min-1
Limiting Speeds(Oil Lub.)4000 min-1
Load Center Spread : A29.3 mm
Constant E0.40
Axial Load Factors : Y11.51
Axial Load Factors : Y00.83
Da(Min.)109 mm
Db(Max.)84 mm
Da(Max.)116.5 mm
Db(Min.)120 mm
Sa(Min.)6 mm
Sb(Min.)8 mm
Ra(Max.)2 mm
Rb(Max.)1.5 mm
Mass(Refer.)1.84 kg

Technical documents & data sheet

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Record identity
KOYO 33115JR
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