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KOYO / Single-row

KOYO 6307NR

Deep groove ball bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
35 mm
Outside diameterD
80 mm
WidthB
21 mm
Dynamic load ratingC
41.7 kN
Static load ratingC0
19.3 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 specifications9 parameters
Core specifications
ParameterSymbolValue
Variant / constructionSingle-row
Bore diameterd35 mm
Outside diameterD80 mm
WidthB21 mm
Basic dynamic load ratingC41.7 kN
Basic static load ratingC019.3 kN
Fatigue load limitPu1.45 kN
Limiting speednG8500 r/min
Mass≈m0.457 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key010-010-030
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathDeep groove ball bearings - Single-row
Official Classification 1Deep groove ball bearings / Single-row
Technical Data20 parameters
Technical Data
ParameterSymbolValue
d35 mm
D80 mm
B21 mm
R(Min.)1.5 mm
R1(Min.)0.5 mm
Basic Load Ratings : Cr41.7 kN
Basic Load Ratings : C0R19.3 kN
Fatigue Load Limit : Cu1.45 kN
Factor : F013.2
Limiting Speeds(Grease Lub.)8500 min-1
Limiting Speeds(Oil Lub.)10000 min-1
Dimensions Of Locating Snap Ring : D2(Min.)86.6 mm
Dimensions Of Locating Snap Ring : F(±0.05)1.65 mm
Da(Min.)43 mm
Da(Max.)72 mm
Dx(Min.)88 mm
Cy(Max.)4.67 mm
Ra(Max.)1.5 mm
Rb(Max.)0.5 mm
Mass(Refer.)0.457 kg

Technical documents & data sheet

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Record identity
KOYO 6307NR
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