Ball Bearing, Angular Contact HY SM 61908 C TA

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HY SM 61908 C TAHY SM 61908 C TA
Part NumberHY SM 61908 C TA
Bearing Size61908

Bearing Dimensions

Bore Diameterd [mm]40
Outer DiameterD [mm]62
Single Bearing WidthB [mm]12
Pitch Circle Diameterdm [mm]51.0
Ball DiameterDw [mm]6.35
OD Inner Ringd1 [mm]46.8
ID Outer RingD1 [mm]55.2
ID Outer Ring - Open SideD2 [mm]57.2
Chamferr1,2 [mm]0.6
Chamfer - Open Sider3,4 [mm]0.3

Bearing Load Ratings

Dynamic Radial Load RatingC [N]10400
Static Radial Load Rating - Steel BallsC0 [N]6350
Static Radial Load Rating - Si3N4 BallsC0 HY [N]4500

Bearing RPM Ratings

Speed Value - Oil Lubricationnoil [1/min]48750
Speed Value - Grease Lubricationngrease [1/min]36250
Bearing SeriesSM
Hybrid (Si3N4 Balls)Yes

Geometrical Data

Number of BallsZ [Qty]19
Contact Angleα0 [°]17
Bearing Weightm [kg]0.109

Mating Part Dimensions

Abutment Diameter Inner Ringda,b min [mm]45.0
Abutment Diameter Outer RingDa,b max [mm]57.5
Chamfer Associated Componentra max [mm]0.6
Chamfer Associated Component - Open Siderb max [mm]0.15

Bearing Preload Data

Light Pre-LoadFv [N]55
Light Axial RigidityCax [N/µm]41
Medium Pre-LoadFv [N]160
Medium Axial RigidityCax [N/µm]62
Heavy Pre-LoadFv [N]320
Heavy Axial RigidityCax [N/µm]83
Minimum Spring Pre-LoadFf [N]355

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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