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INA / Angular contact ball bearings

INA 3908-2RS

Angular contact ball bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
40 mm
Outside diameterD
62 mm
WidthB
16 mm
Dynamic load ratingC
17.4 kN
Static load ratingC0
16.7 kN
Limiting speednG
5900 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
Series3908
Bore diameterd40 mm
Outside diameterD62 mm
WidthB16 mm
Basic dynamic load ratingC17.4 kN
Basic static load ratingC016.7 kN
Fatigue load limitPu0.87 kN
Limiting speednG5900 r/min
Mass≈m0.16 kg
Minimum operating temperatureTmin-20 °C
Maximum operating temperatureTmax100 °C
Manufacturer Identity4 parameters
Manufacturer Identity
ParameterSymbolValue
Schaeffler Product Code361149
BrandINA
Base Type3908
X Life Markingn.r.
Product Identity2 parameters
Product Identity
ParameterSymbolValue
ConstructionAngular contact ball bearing 39..-B-2RS-TVH, double row, seals, plastic cage
Short DescriptionAngular contact ball bearing
Technical Data19 parameters
Technical Data
ParameterSymbolValue
Bore Diameter (D)40 mm
Outside Diameter (D)62 mm
Width (B)16 mm
Basic Dynamic Load Rating, Radial (Cr)17,400 N
Basic Static Load Rating, Radial (C0R)16,700 N
Operating Temperature Min. (Tmin)-20 °C
Limiting Speed (Ng)5,900 1/min
Operating Temperature Max. (Tmax)100 °C
Caliber Diameter Outer Ring (D2)56.03 mm
Fatigue Load Limit, Radial (Cur)870 N
Minimum Diameter Shaft Shoulder (Da Min)43.2 mm
Shoulder Diameter Inner Ring (D1)47.6 mm
Maximum Diameter Of Housing Shoulder (Da Max)58.8 mm
Minimum Chamfer Dimension (Rmin)0.6 mm
Caliber Diameter Inner Ring (D1)45.37 mm
Maximum Fillet Radius (Ra Max)0.6 mm
Shoulder Diameter Outer Ring (D1)55.05 mm
Contact Angle (Α)25 °
Distance Between The Apexes Of The Pressure Cones (A)30 mm

Technical documents & data sheet

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Record identity
INA 3908-2RS
Document matching
Exact designation, assembly scope, revision and units must agree.

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