Ball Bearing, Angular Contact HY S 61904 E TA

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HY S 61904 E TAHY S 61904 E TA
Part NumberHY S 61904 E TA
Bearing Size61904

Bearing Dimensions

Bore Diameterd [mm]20
Outer DiameterD [mm]37
Single Bearing WidthB [mm]9
Pitch Circle Diameterdm [mm]28.5
Ball DiameterDw [mm]4.76
OD Inner Ringd1 [mm]25.1
ID Outer RingD1 [mm]31.9
ID Outer Ring - Open SideD2 [mm]33.2
Chamferr1,2 [mm]0.3
Chamfer - Open Sider3,4 [mm]0.3

Bearing Load Ratings

Dynamic Radial Load RatingC [N]6850
Static Radial Load Rating - Steel BallsC0 [N]4350
Static Radial Load Rating - Si3N4 BallsC0 HY [N]3050

Bearing RPM Ratings

Speed Value - Oil Lubricationnoil [1/min]63750
Speed Value - Grease Lubricationngrease [1/min]47500
Bearing SeriesS
Hybrid (Si3N4 Balls)Yes

Geometrical Data

Number of BallsZ [Qty]15
Contact Angleα0 [°]25
Bearing Weightm [kg]0.036

Mating Part Dimensions

Abutment Diameter Inner Ringda,b min [mm]23.0
Abutment Diameter Outer RingDa,b max [mm]33.5
Chamfer Associated Componentra max [mm]0.3
Chamfer Associated Component - Open Siderb max [mm]0.15

Bearing Preload Data

Light Pre-LoadFv [N]55
Light Axial RigidityCax [N/µm]62
Medium Pre-LoadFv [N]170
Medium Axial RigidityCax [N/µm]95
Heavy Pre-LoadFv [N]340
Heavy Axial RigidityCax [N/µm]125
Minimum Spring Pre-LoadFf [N]250

Notes:

  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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