Ball Bearing, Angular Contact HY KH 61905 C TA

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HY KH 61905 C TAHY KH 61905 C TA
Part NumberHY KH 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]3.97
OD Inner Ringd1 [mm]30.6
OD Inner Ring - Open Sided2 [mm]30.0
ID Outer RingD1 [mm]37.2
ID Outer Ring - Open SideD2 [mm]38.5
Chamferr1,2 [mm]0.3
Chamfer - Open Sider3,4 [mm]0.3

Bearing Load Ratings

Dynamic Radial Load RatingC [N]4250
Static Radial Load Rating - Steel BallsC0 [N]2330
Static Radial Load Rating - Si3N4 BallsC0 HY [N]1640

Bearing RPM Ratings

Speed Value - Oil Lubricationnoil [1/min]78750
Speed Value - Grease Lubricationngrease [1/min]58750
Bearing SeriesKH
Hybrid (Si3N4 Balls)Yes

Geometrical Data

Number of BallsZ [Qty]19
Contact Angleα0 [°]17
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]22
Light Axial RigidityCax [N/µm]25
Medium Pre-LoadFv [N]65
Medium Axial RigidityCax [N/µm]38
Heavy Pre-LoadFv [N]130
Heavy Axial RigidityCax [N/µm]51
Minimum Spring Pre-LoadFf [N]155


  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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