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INA / Radial insert ball bearing

INA GRAE50-NPP-B-FA106

Radial insert ball bearing technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
50 mm
Outside diameterD
90 mm
WidthB
30.2 mm
Dynamic load ratingC
37.5 kN
Static load ratingC0
23.2 kN
Mass≈m
0.77 kg

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 specifications10 parameters
Core specifications
ParameterSymbolValue
SeriesGRAE50
Bore diameterd50 mm
Outside diameterD90 mm
WidthB30.2 mm
Basic dynamic load ratingC37.5 kN
Basic static load ratingC023.2 kN
Fatigue load limitPu1.21 kN
Mass≈m0.77 kg
Minimum operating temperatureTmin-20 °C
Maximum operating temperatureTmax120 °C
Manufacturer Identity3 parameters
Manufacturer Identity
ParameterSymbolValue
Schaeffler Product Code358851
BrandINA
Base TypeGRAE50
Product Identity2 parameters
Product Identity
ParameterSymbolValue
ConstructionRadial insert ball bearing GRAE..-NPP-B
Short DescriptionRadial insert ball bearing
Technical Data16 parameters
Technical Data
ParameterSymbolValue
Bore Diameter (D)50 mm
Outside Diameter (Dsp)90 mm
Total Width (B)30.2 mm
Basic Dynamic Load Rating, Radial (Cr)37,500 N
Basic Static Load Rating, Radial (C0R)23,200 N
Operating Temperature Min. (Tmin)-20 °C
Locking Collar Total Width (B1)43.8 mm
Operating Temperature Max. (Tmax)120 °C
Distance To Lubrication Hole (Ca)6.9 mm
Width Of Flats (W)5 mm
Width, Outer Ring (C)22 mm
Calculation Factor (F0)14.4
Outside Diameter Locking Collar/Locknut (D3)69 mm
Distance Raceway (S)11 mm
Rib Diameter Sealing Inner Ring (D2)59.4 mm
Fatigue Load Limit, Radial (Cur)1,210 N

Technical documents & data sheet

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Record identity
INA GRAE50-NPP-B-FA106
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