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INA / Needle roller cage assembly

INA K55X63X25

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

Technical data available
Bore diameterd
55 mm
Outside diameterD
63 mm
WidthB
25 mm
Dynamic load ratingC
51 kN
Static load ratingC0
101 kN
Limiting speednG
8300 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 diameterd55 mm
Outside diameterD63 mm
WidthB25 mm
Basic dynamic load ratingC51 kN
Basic static load ratingC0101 kN
Fatigue load limitPu14 kN
Reference speednref4700 r/min
Limiting speednG8300 r/min
Mass≈m0.0789 kg
Minimum operating temperatureTmin-30 °C
Maximum operating temperatureTmax140 °C
Manufacturer Identity3 parameters
Manufacturer Identity
ParameterSymbolValue
Schaeffler Product Code379798
BrandINA
Base TypeK55X63X25
Product Identity2 parameters
Product Identity
ParameterSymbolValue
ConstructionNeedle roller cage assembly K, single row
Short DescriptionNeedle roller cage assembly
Technical Data10 parameters
Technical Data
ParameterSymbolValue
Inner Diameter Of Needle Roller Complement (Fw)55 mm
Outside Diameter Of Needle Roller Complement (Ew)63 mm
Width (Bc)25 mm
Basic Dynamic Load Rating, Radial (Cr)51,000 N
Basic Static Load Rating, Radial (C0R)101,000 N
Operating Temperature Min. (Tmin)-30 °C
Operating Temperature Max. (Tmax)140 °C
Limiting Speed (Limiting Spe)8,300 1/min
Reference Speed (Nϑr)4,700 1/min
Fatigue Load Limit, Radial (Cur)14,000 N

Technical documents & data sheet

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Record identity
INA K55X63X25
Document matching
Exact designation, assembly scope, revision and units must agree.

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