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KOYO / Single-row / nh

KOYO NH344

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

Technical data available
Bore diameterd
220 mm
Outside diameterD
460 mm
WidthB
88 mm
Dynamic load ratingC
1490 kN
Static load ratingC0
1570 kN
Limiting speednG
1100 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 / NH
Bore diameterd220 mm
Outside diameterD460 mm
WidthB88 mm
Basic dynamic load ratingC1490 kN
Basic static load ratingC01570 kN
Fatigue load limitPu176 kN
Limiting speednG1100 r/min
Mass≈m86.05 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key040-010-000
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathCylindrical roller bearings - Single-row - NH
Official Classification 1Cylindrical roller bearings / Single-row / NH
Technical Data24 parameters
Technical Data
ParameterSymbolValue
d220 mm
D460 mm
B88 mm
R(Min.)5 mm
R1(Min.)5 mm
Fw284 mm
Ew- mm
Basic Load Ratings : Cr1490 kN
Basic Load Ratings : C0R1570 kN
Fatigue Load Limit : Cu176 kN
Limiting Speeds(Grease Lub.)1100 min-1
Limiting Speeds(Oil Lub.)1500 min-1
Sd1307 mm
B120 mm
B236 mm
Da(Min.)240 mm
Db(Min.)- mm
Db(Max.)- mm
Dc(Min.)- mm
Dd(Min.)- mm
Da(Max.)440 mm
Ra(Max.)4 mm
Rb(Max.)4 mm
Mass(Refer.)86.05 kg

Technical documents & data sheet

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Record identity
KOYO NH344
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