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KOYO / Open type

KOYO 1207

Self-aligning ball bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
35 mm
Outside diameterD
72 mm
WidthB
17 mm
Dynamic load ratingC
19.7 kN
Static load ratingC0
5.15 kN
Limiting speednG
8500 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 specifications10 parameters
Core specifications
ParameterSymbolValue
Variant / constructionOpen type
Bore diameterd35 mm
Outside diameterD72 mm
WidthB17 mm
Basic dynamic load ratingC19.7 kN
Basic static load ratingC05.15 kN
Fatigue load limitPu0.32 kN
Limiting speednG8500 r/min
Mass≈m0.323 kg
SealingOpen
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key030-010-000
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathSelf-aligning ball bearings - Open type
Official Classification 1Self-aligning ball bearings / Open type
Technical Data17 parameters
Technical Data
ParameterSymbolValue
d35 mm
D72 mm
B17 mm
R(Min.)1.1 mm
Basic Load Ratings : Cr19.7 kN
Basic Load Ratings : C0R5.15 kN
Fatigue Load Limit : Cu0.32 kN
Limiting Speeds(Grease Lub.)8500 min-1
Limiting Speeds(Oil Lub.)10000 min-1
Constant :E0.23
Axial Load Factors : Y12.71
Axial Load Factors : Y24.20
Axial Load Factors : Y02.84
Da(Min.)41.5 mm
Da(Max.)65.5 mm
Ra(Max.)1 mm
Mass(Refer.)0.323 kg

Technical documents & data sheet

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Record identity
KOYO 1207
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