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KOYO / Single-row / metric series

KOYO 30330JR

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

Technical data available
Bore diameterd
150 mm
Outside diameterD
320 mm
WidthB
65 mm
Dynamic load ratingC
1050 kN
Static load ratingC0
1080 kN
Limiting speednG
1200 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 diameterd150 mm
Outside diameterD320 mm
WidthB65 mm
Basic dynamic load ratingC1050 kN
Basic static load ratingC01080 kN
Fatigue load limitPu129 kN
Limiting speednG1200 r/min
Mass≈m26.6 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
d150 mm
D320 mm
T72 mm
B65 mm
C55 mm
R(Min.)5 mm
R1(Min.)4 mm
Basic Load Ratings : Cr1050 kN
Basic Load Ratings : C0R1080 kN
Fatigue Load Limit : Cu129 kN
Limiting Speeds(Grease Lub.)1200 min-1
Limiting Speeds(Oil Lub.)1500 min-1
Load Center Spread : A60.8 mm
Constant E0.35
Axial Load Factors : Y11.74
Axial Load Factors : Y00.96
Da(Min.)272 mm
Db(Max.)193 mm
Da(Max.)302 mm
Db(Min.)292 mm
Sa(Min.)12 mm
Sb(Min.)17 mm
Ra(Max.)4 mm
Rb(Max.)3 mm
Mass(Refer.)26.6 kg

Technical documents & data sheet

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Record identity
KOYO 30330JR
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