Ball Bearing, Angular Contact S 61901 C TA

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S 61901 C TAS 61901 C TA
Part NumberS 61901 C TA
Bearing Size61901

Bearing Dimensions

Bore Diameterd [mm]12
Outer DiameterD [mm]24
Single Bearing WidthB [mm]6
Pitch Circle Diameterdm [mm]18.0
Ball DiameterDw [mm]3.17
OD Inner Ringd1 [mm]15.4
ID Outer RingD1 [mm]19.6
ID Outer Ring - Open SideD2 [mm]20.6
Chamferr1,2 [mm]0.3
Chamfer - Open Sider3,4 [mm]0.3

Bearing Load Ratings

Dynamic Radial Load RatingC [N]3100
Static Radial Load Rating - Steel BallsC0 [N]1660
Static Radial Load Rating - Si3N4 BallsC0 HY [N]1170

Bearing RPM Ratings

Speed Value - Oil Lubricationnoil [1/min]97000
Speed Value - Grease Lubricationngrease [1/min]73000
Bearing SeriesS
Hybrid (Si3N4 Balls)No

Geometrical Data

Number of BallsZ [Qty]13
Contact Angleα0 [°]15
Bearing Weightm [kg]0.011

Mating Part Dimensions

Abutment Diameter Inner Ringda,b min [mm]14.5
Abutment Diameter Outer RingDa,b max [mm]21.5
Chamfer Associated Componentra max [mm]0.3
Chamfer Associated Component - Open Siderb max [mm]0.10

Bearing Preload Data

Light Pre-LoadFv [N]15
Light Axial RigidityCax [N/µm]15
Medium Pre-LoadFv [N]43
Medium Axial RigidityCax [N/µm]24
Heavy Pre-LoadFv [N]85
Heavy Axial RigidityCax [N/µm]34
Minimum Spring Pre-LoadFf [N]80


  1. Position of the oiling Nozzle (dT) for bearings with TA cage/ TXM cage upon request
  2. The stated load and speed values are given for a spring preloaded single bearing with oil/air or oil mist lubrication. If specific applications differ, please consult correction factors and/or GMN USA engineers.

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