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INA / Needle roller bearings

INA NK38/30-XL

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

Technical data available
Bore diameterd
38 mm
Outside diameterD
48 mm
WidthB
30 mm
Dynamic load ratingC
43 kN
Static load ratingC0
76 kN
Limiting speednG
12000 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
SeriesNK38/30
Bore diameterd38 mm
Outside diameterD48 mm
WidthB30 mm
Basic dynamic load ratingC43 kN
Basic static load ratingC076 kN
Fatigue load limitPu14.3 kN
Reference speednref7000 r/min
Limiting speednG12000 r/min
Mass≈m0.118025 kg
Minimum operating temperatureTmin-30 °C
Maximum operating temperatureTmax120 °C
Manufacturer Identity5 parameters
Manufacturer Identity
ParameterSymbolValue
Schaeffler Product Code382966
BrandINA
Base TypeNK38/30
Old Designation["NK38/30"]
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)38 mm
Outside Diamater (D)48 mm
Width, Outer Ring (C)30 mm
Basic Dynamic Load Rating, Radial (Cr)43,000 N
Basic Static Load Rating, Radial (C0R)76,000 N
Operating Temperature Min. (Tmin)-30 °C
Operating Temperature Max. (Tmax)120 °C
Limiting Speed (Limiting Spe)12,000 1/min
Reference Speed (Nϑr)7,000 1/min
Minimum Chamfer Dimension (Rmin)0.3 mm
Fatigue Load Limit, Radial (Cur)14,300 N

Technical documents & data sheet

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Record identity
INA NK38/30-XL
Document matching
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