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KOYO / Single-row / metric series

KOYO 30236JR

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

Technical data available
Bore diameterd
180 mm
Outside diameterD
320 mm
WidthB
52 mm
Dynamic load ratingC
771 kN
Static load ratingC0
870 kN
Limiting speednG
1100 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 diameterd180 mm
Outside diameterD320 mm
WidthB52 mm
Basic dynamic load ratingC771 kN
Basic static load ratingC0870 kN
Fatigue load limitPu102 kN
Limiting speednG1100 r/min
Mass≈m18.3 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
d180 mm
D320 mm
T57 mm
B52 mm
C43 mm
R(Min.)5 mm
R1(Min.)4 mm
Basic Load Ratings : Cr771 kN
Basic Load Ratings : C0R870 kN
Fatigue Load Limit : Cu102 kN
Limiting Speeds(Grease Lub.)1100 min-1
Limiting Speeds(Oil Lub.)1400 min-1
Load Center Spread : A63.6 mm
Constant E0.45
Axial Load Factors : Y11.33
Axial Load Factors : Y00.73
Da(Min.)278 mm
Db(Max.)211 mm
Da(Max.)302 mm
Db(Min.)297 mm
Sa(Min.)9 mm
Sb(Min.)14 mm
Ra(Max.)4 mm
Rb(Max.)3 mm
Mass(Refer.)18.3 kg

Technical documents & data sheet

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Record identity
KOYO 30236JR
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