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INA / Needle roller bearings

INA NKS20

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

Technical data available
Bore diameterd
20 mm
Outside diameterD
32 mm
WidthB
20 mm
Dynamic load ratingC
23 kN
Static load ratingC0
25 kN
Limiting speednG
20000 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 specifications11 parameters
Core specifications
ParameterSymbolValue
Bore diameterd20 mm
Outside diameterD32 mm
WidthB20 mm
Basic dynamic load ratingC23 kN
Basic static load ratingC025 kN
Fatigue load limitPu3.6 kN
Reference speednref11800 r/min
Limiting speednG20000 r/min
Mass≈m0.05042 kg
Minimum operating temperatureTmin-30 °C
Maximum operating temperatureTmax120 °C
Manufacturer Identity5 parameters
Manufacturer Identity
ParameterSymbolValue
Schaeffler Product Code393368
BrandINA
Base TypeNKS20
Old Designation["NKS 20"]
X Life Markingn.r.
Product Identity2 parameters
Product Identity
ParameterSymbolValue
ConstructionNeedle roller bearing NKS, single row, no inner ring, outer ring with 2 bords
Short DescriptionNeedle roller bearing
Technical Data11 parameters
Technical Data
ParameterSymbolValue
Under Roller Diameter (Fw)20 mm
Outside Diamater (D)32 mm
Width, Outer Ring (C)20 mm
Basic Dynamic Load Rating, Radial (Cr)23,000 N
Basic Static Load Rating, Radial (C0R)25,000 N
Operating Temperature Min. (Tmin)-30 °C
Operating Temperature Max. (Tmax)120 °C
Limiting Speed (Limiting Spe)20,000 1/min
Reference Speed (Nϑr)11,800 1/min
Minimum Chamfer Dimension (Rmin)0.6 mm
Fatigue Load Limit, Radial (Cur)3,600 N

Technical documents & data sheet

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Record identity
INA NKS20
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