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KOYO / Single-row / nup

KOYO NUP338

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

Technical data available
Bore diameterd
190 mm
Outside diameterD
400 mm
WidthB
78 mm
Dynamic load ratingC
1220 kN
Static load ratingC0
1260 kN
Limiting speednG
1300 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 / NUP
Bore diameterd190 mm
Outside diameterD400 mm
WidthB78 mm
Basic dynamic load ratingC1220 kN
Basic static load ratingC01260 kN
Fatigue load limitPu146 kN
Limiting speednG1300 r/min
Mass≈m57.1 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key040-010-000
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathCylindrical roller bearings - Single-row - NUP
Official Classification 1Cylindrical roller bearings / Single-row / NUP
Technical Data26 parameters
Technical Data
ParameterSymbolValue
d190 mm
D400 mm
B78 mm
R(Min.)5 mm
R1(Min.)5 mm
Fw245 mm
Ew- mm
Basic Load Ratings : Cr1220 kN
Basic Load Ratings : C0R1260 kN
Fatigue Load Limit : Cu146 kN
Limiting Speeds(Grease Lub.)1300 min-1
Limiting Speeds(Oil Lub.)1800 min-1
Sd1- mm
B1- mm
B2- mm
Da(Min.)210 mm
Db(Min.)210 mm
Db(Max.)240 mm
Dc(Min.)- mm
Dd(Min.)- mm
Da(Max.)380 mm
Db(Max.)- mm
Db(Min.)- mm
Ra(Max.)4 mm
Rb(Max.)4 mm
Mass(Refer.)57.1 kg

Technical documents & data sheet

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Record identity
KOYO NUP338
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