Ball Bearing, Angular Contact HY KH 61904 C TA | GMN Bearing USA

Ball Bearing, Angular Contact HY KH 61904 C TA

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HY KH 61904 C TAHY KH 61904 C TA
Part NumberHY KH 61904 C 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]3.97
OD Inner Ringd1 [mm]25.1
OD Inner Ring - Open Sided2 [mm]24.5
ID Outer RingD1 [mm]31.7
ID Outer Ring - Open SideD2 [mm]33.0
Chamferr1,2 [mm]0.3
Chamfer - Open Sider3,4 [mm]0.3

Bearing Load Ratings

Dynamic Radial Load RatingC [N]3900
Static Radial Load Rating - Steel BallsC0 [N]1900
Static Radial Load Rating - Si3N4 BallsC0 HY [N]1340

Bearing RPM Ratings

Speed Value - Oil Lubricationnoil [1/min]93750
Speed Value - Grease Lubricationngrease [1/min]70000
Bearing SeriesKH
Hybrid (Si3N4 Balls)Yes

Geometrical Data

Number of BallsZ [Qty]16
Contact Angleα0 [°]17
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]20
Light Axial RigidityCax [N/µm]21
Medium Pre-LoadFv [N]60
Medium Axial RigidityCax [N/µm]33
Heavy Pre-LoadFv [N]120
Heavy Axial RigidityCax [N/µm]44
Minimum Spring Pre-LoadFf [N]140


  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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