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KOYO / Single-row / metric series

KOYO 30314JR

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

Technical data available
Bore diameterd
70 mm
Outside diameterD
150 mm
WidthB
35 mm
Dynamic load ratingC
288 kN
Static load ratingC0
273 kN
Limiting speednG
2600 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 diameterd70 mm
Outside diameterD150 mm
WidthB35 mm
Basic dynamic load ratingC288 kN
Basic static load ratingC0273 kN
Fatigue load limitPu42.2 kN
Limiting speednG2600 r/min
Mass≈m3.08 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
d70 mm
D150 mm
T38 mm
B35 mm
C30 mm
R(Min.)3 mm
R1(Min.)2.5 mm
Basic Load Ratings : Cr288 kN
Basic Load Ratings : C0R273 kN
Fatigue Load Limit : Cu42.2 kN
Limiting Speeds(Grease Lub.)2600 min-1
Limiting Speeds(Oil Lub.)3500 min-1
Load Center Spread : A30.5 mm
Constant E0.35
Axial Load Factors : Y11.74
Axial Load Factors : Y00.96
Da(Min.)130 mm
Db(Max.)89 mm
Da(Max.)138 mm
Db(Min.)140 mm
Sa(Min.)4 mm
Sb(Min.)8 mm
Ra(Max.)2.5 mm
Rb(Max.)2 mm
Mass(Refer.)3.08 kg

Technical documents & data sheet

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Record identity
KOYO 30314JR
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