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INA / Needle roller bearings

INA NKS80

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

Technical data available
Bore diameterd
80 mm
Outside diameterD
100 mm
WidthB
28 mm
Dynamic load ratingC
75 kN
Static load ratingC0
133 kN
Limiting speednG
5700 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 diameterd80 mm
Outside diameterD100 mm
WidthB28 mm
Basic dynamic load ratingC75 kN
Basic static load ratingC0133 kN
Fatigue load limitPu19.5 kN
Reference speednref3700 r/min
Limiting speednG5700 r/min
Mass≈m0.4295 kg
Minimum operating temperatureTmin-30 °C
Maximum operating temperatureTmax120 °C
Manufacturer Identity5 parameters
Manufacturer Identity
ParameterSymbolValue
Schaeffler Product Code393372
BrandINA
Base TypeNKS80
Old Designation["NKS 80"]
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)80 mm
Outside Diamater (D)100 mm
Width, Outer Ring (C)28 mm
Basic Dynamic Load Rating, Radial (Cr)75,000 N
Basic Static Load Rating, Radial (C0R)133,000 N
Operating Temperature Min. (Tmin)-30 °C
Operating Temperature Max. (Tmax)120 °C
Limiting Speed (Limiting Spe)5,700 1/min
Reference Speed (Nϑr)3,700 1/min
Minimum Chamfer Dimension (Rmin)1.1 mm
Fatigue Load Limit, Radial (Cur)19,500 N

Technical documents & data sheet

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Record identity
INA NKS80
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