Ball Bearing, Angular Contact SM 61902 C TA

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SM 61902 C TASM 61902 C TA
Part NumberSM 61902 C TA
Bearing Size61902

Bearing Dimensions

Bore Diameterd [mm]15
Outer DiameterD [mm]28
Single Bearing WidthB [mm]7
Pitch Circle Diameterdm [mm]21.5
Ball DiameterDw [mm]3.97
OD Inner Ringd1 [mm]18.7
ID Outer RingD1 [mm]24.3
ID Outer Ring - Open SideD2 [mm]25.4
Chamferr1,2 [mm]0.3
Chamfer - Open Sider3,4 [mm]0.3

Bearing Load Ratings

Dynamic Radial Load RatingC [N]3600
Static Radial Load Rating - Steel BallsC0 [N]1560
Static Radial Load Rating - Si3N4 BallsC0 HY [N]1100

Bearing RPM Ratings

Speed Value - Oil Lubricationnoil [1/min]93000
Speed Value - Grease Lubricationngrease [1/min]70000
Bearing SeriesSM
Hybrid (Si3N4 Balls)No

Geometrical Data

Number of BallsZ [Qty]13
Contact Angleα0 [°]15
Bearing Weightm [kg]0.015

Mating Part Dimensions

Abutment Diameter Inner Ringda,b min [mm]17.5
Abutment Diameter Outer RingDa,b max [mm]25.5
Chamfer Associated Componentra max [mm]0.3
Chamfer Associated Component - Open Siderb max [mm]0.10

Bearing Preload Data

Light Pre-LoadFv [N]18
Light Axial RigidityCax [N/µm]15
Medium Pre-LoadFv [N]55
Medium Axial RigidityCax [N/µm]24
Heavy Pre-LoadFv [N]110
Heavy Axial RigidityCax [N/µm]33
Minimum Spring Pre-LoadFf [N]110

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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