Ball Bearing, Angular Contact HY S 61905 C TA | GMN Bearing USA

Ball Bearing, Angular Contact HY S 61905 C TA

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HY S 61905 C TAHY S 61905 C TA
Part NumberHY S 61905 C TA
Bearing Size61905

Bearing Dimensions

Bore Diameterd [mm]25
Outer DiameterD [mm]42
Single Bearing WidthB [mm]9
Pitch Circle Diameterdm [mm]33.5
Ball DiameterDw [mm]4.76
OD Inner Ringd1 [mm]30.6
ID Outer RingD1 [mm]37.4
ID Outer Ring - Open SideD2 [mm]38.7
Chamferr1,2 [mm]0.3
Chamfer - Open Sider3,4 [mm]0.3

Bearing Load Ratings

Dynamic Radial Load RatingC [N]7700
Static Radial Load Rating - Steel BallsC0 [N]5400
Static Radial Load Rating - Si3N4 BallsC0 HY [N]3800

Bearing RPM Ratings

Speed Value - Oil Lubricationnoil [1/min]62500
Speed Value - Grease Lubricationngrease [1/min]46250
Bearing SeriesS
Hybrid (Si3N4 Balls)Yes

Geometrical Data

Number of BallsZ [Qty]17
Contact Angleα0 [°]15
Bearing Weightm [kg]0.041

Mating Part Dimensions

Abutment Diameter Inner Ringda,b min [mm]28.0
Abutment Diameter Outer RingDa,b max [mm]38.5
Chamfer Associated Componentra max [mm]0.3
Chamfer Associated Component - Open Siderb max [mm]0.15

Bearing Preload Data

Light Pre-LoadFv [N]40
Light Axial RigidityCax [N/µm]29
Medium Pre-LoadFv [N]120
Medium Axial RigidityCax [N/µm]48
Heavy Pre-LoadFv [N]240
Heavy Axial RigidityCax [N/µm]67
Minimum Spring Pre-LoadFf [N]200


  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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