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INA / Needle roller bearings

INA NK18/16-XL

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

Technical data available
Bore diameterd
18 mm
Outside diameterD
26 mm
WidthB
16 mm
Dynamic load ratingC
14.1 kN
Static load ratingC0
16.2 kN
Limiting speednG
22100 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 specifications12 parameters
Core specifications
ParameterSymbolValue
SeriesNK18/16
Bore diameterd18 mm
Outside diameterD26 mm
WidthB16 mm
Basic dynamic load ratingC14.1 kN
Basic static load ratingC016.2 kN
Fatigue load limitPu3.05 kN
Reference speednref14400 r/min
Limiting speednG22100 r/min
Mass≈m0.025 kg
Minimum operating temperatureTmin-30 °C
Maximum operating temperatureTmax120 °C
Manufacturer Identity5 parameters
Manufacturer Identity
ParameterSymbolValue
Schaeffler Product Code382919
BrandINA
Base TypeNK18/16
Old Designation["NK18/16"]
X Life MarkingXL
Product Identity2 parameters
Product Identity
ParameterSymbolValue
ConstructionNeedle roller bearings NK, light series
Short DescriptionNeedle roller bearing
Technical Data11 parameters
Technical Data
ParameterSymbolValue
Under Roller Diameter (Fw)18 mm
Outside Diamater (D)26 mm
Width, Outer Ring (C)16 mm
Basic Dynamic Load Rating, Radial (Cr)14,100 N
Basic Static Load Rating, Radial (C0R)16,200 N
Operating Temperature Min. (Tmin)-30 °C
Operating Temperature Max. (Tmax)120 °C
Limiting Speed (Limiting Spe)22,100 1/min
Reference Speed (Nϑr)14,400 1/min
Minimum Chamfer Dimension (Rmin)0.3 mm
Fatigue Load Limit, Radial (Cur)3,050 N

Technical documents & data sheet

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Record identity
INA NK18/16-XL
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