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KOYO / Single-row / nf

KOYO NF318

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

Technical data available
Bore diameterd
90 mm
Outside diameterD
190 mm
WidthB
43 mm
Dynamic load ratingC
300 kN
Static load ratingC0
265 kN
Limiting speednG
3100 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 / NF
Bore diameterd90 mm
Outside diameterD190 mm
WidthB43 mm
Basic dynamic load ratingC300 kN
Basic static load ratingC0265 kN
Fatigue load limitPu38.7 kN
Limiting speednG3100 r/min
Mass≈m5.47 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key040-010-000
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathCylindrical roller bearings - Single-row - NF
Official Classification 1Cylindrical roller bearings / Single-row / NF
Technical Data26 parameters
Technical Data
ParameterSymbolValue
d90 mm
D190 mm
B43 mm
R(Min.)3 mm
R1(Min.)3 mm
Fw- mm
Ew165 mm
Basic Load Ratings : Cr300 kN
Basic Load Ratings : C0R265 kN
Fatigue Load Limit : Cu38.7 kN
Limiting Speeds(Grease Lub.)3100 min-1
Limiting Speeds(Oil Lub.)4200 min-1
Sd1- mm
B1- mm
B2- mm
Da(Min.)103 mm
Db(Min.)- mm
Db(Max.)- mm
Dc(Min.)- mm
Dd(Min.)- mm
Da(Max.)- mm
Db(Max.)177 mm
Db(Min.)169 mm
Ra(Max.)2.5 mm
Rb(Max.)2.5 mm
Mass(Refer.)5.47 kg

Technical documents & data sheet

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Record identity
KOYO NF318
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