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KOYO / Single-row

KOYO 6218NR

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

Technical data available
Bore diameterd
90 mm
Outside diameterD
160 mm
WidthB
30 mm
Dynamic load ratingC
120 kN
Static load ratingC0
71.5 kN
Limiting speednG
3900 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 diameterd90 mm
Outside diameterD160 mm
WidthB30 mm
Basic dynamic load ratingC120 kN
Basic static load ratingC071.5 kN
Fatigue load limitPu4.2 kN
Limiting speednG3900 r/min
Mass≈m2.15 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
d90 mm
D160 mm
B30 mm
R(Min.)2 mm
R1(Min.)0.5 mm
Basic Load Ratings : Cr120 kN
Basic Load Ratings : C0R71.5 kN
Fatigue Load Limit : Cu4.20 kN
Factor : F014.5
Limiting Speeds(Grease Lub.)3900 min-1
Limiting Speeds(Oil Lub.)4700 min-1
Dimensions Of Locating Snap Ring : D2(Min.)169.7 mm
Dimensions Of Locating Snap Ring : F(±0.05)2.77 mm
Da(Min.)99 mm
Da(Max.)151 mm
Dx(Min.)172 mm
Cy(Max.)7.37 mm
Ra(Max.)2 mm
Rb(Max.)0.5 mm
Mass(Refer.)2.15 kg

Technical documents & data sheet

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Record identity
KOYO 6218NR
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