Ball Bearing, Angular Contact HY S 61920 C TA

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HY S 61920 C TAHY S 61920 C TA
Part NumberHY S 61920 C TA
Bearing Size61920

Bearing Dimensions

Bore Diameterd [mm]100
Outer DiameterD [mm]140
Single Bearing WidthB [mm]20
Pitch Circle Diameterdm [mm]120.0
Ball DiameterDw [mm]11.91
OD Inner Ringd1 [mm]112.8
ID Outer RingD1 [mm]127.2
ID Outer Ring - Open SideD2 [mm]132.0
Chamferr1,2 [mm]0.6
Chamfer - Open Sider3,4 [mm]0.6

Bearing Load Ratings

Dynamic Radial Load RatingC [N]51500
Static Radial Load Rating - Steel BallsC0 [N]57000
Static Radial Load Rating - Si3N4 BallsC0 HY [N]40500

Bearing RPM Ratings

Speed Value - Oil Lubricationnoil [1/min]17500
Speed Value - Grease Lubricationngrease [1/min]13125
Bearing SeriesS
Hybrid (Si3N4 Balls)Yes

Geometrical Data

Number of BallsZ [Qty]25
Contact Angleα0 [°]15
Bearing Weightm [kg]0.800

Mating Part Dimensions

Abutment Diameter Inner Ringda,b min [mm]107.0
Abutment Diameter Outer RingDa,b max [mm]133.0
Chamfer Associated Componentra max [mm]0.6
Chamfer Associated Component - Open Siderb max [mm]0.60

Bearing Preload Data

Light Pre-LoadFv [N]260
Light Axial RigidityCax [N/µm]100
Medium Pre-LoadFv [N]790
Medium Axial RigidityCax [N/µm]162
Heavy Pre-LoadFv [N]1570
Heavy Axial RigidityCax [N/µm]226
Minimum Spring Pre-LoadFf [N]1320


  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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