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KOYO / Combined needle roller bearings / ball thrust series / naxk,naxk.z

KOYO NAXK40

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

Technical data available
Outside diameterD
52 mm
Dynamic load ratingC
23.8 kN
Static load ratingC0
47 kN
Limiting speednG
4500 r/min
Mass≈m
0.224 kg
Fw
40 mm

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 specifications7 parameters
Core specifications
ParameterSymbolValue
Variant / constructionCombined needle roller bearings / Ball thrust series / NAXK,NAXK.Z
Outside diameterD52 mm
Basic dynamic load ratingC23.8 kN
Basic static load ratingC047 kN
Fatigue load limitPu7.3 kN
Limiting speednG4500 r/min
Mass≈m0.224 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key090-050-010
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathNeedle roller bearings - Combined needle roller bearings - Ball thrust series - NAXK,NAXK.Z
Official Classification 1Needle roller bearings / Combined needle roller bearings / Ball thrust series / NAXK,NAXK.Z
Technical Data17 parameters
Technical Data
ParameterSymbolValue
Fw40 mm
D52 mm
C32 mm
Dw(E7)40 mm
Da60 mm
C113 mm
C210 mm
R(Min.)0.6 mm
Limiting Speeds(Oil Lub.)4500 min-1
Basic Load Ratings : Cr23.8 kN
Basic Load Ratings : C0R47 kN
Basic Load Ratings Ca28 kN
Basic Load Ratings C0A62.9 kN
Fatigue Load Limit : Cu(Radial)7.30 kN
Fatigue Load Limit : Cu(Thrust)2.85 kN
Used With Inner Ring No.JR35x40x20
Mass(Refer.)0.224 kg

Technical documents & data sheet

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Record identity
KOYO NAXK40
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