Ball Bearing, Radial 609

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Part Number609
Bearing SeriesRadial
Hybrid (Si3N4 Balls)No

Bearing Dimensions

Bore Diameterd [mm]9
Outer DiameterD [mm]24
Single Bearing WidthB [mm]7
Pitch Circle Diameterdm [mm]16.7
Ball DiameterDw [mm]3.969
OD Inner Ringd1 [mm]13.5
ID Outer RingD1 [mm]19.9
Chamferr1,2 [mm]0.3

Bearing Load Ratings

Dynamic Radial Load RatingC [N]3300
Static Radial Load Rating - Steel BallsC0 [N]1390
Static Radial Load Rating - Si3N4 BallsC0 HY [N]980

Bearing RPM Ratings

Speed Value - Oil Lubricationnoil [1/min]83250
Speed Value - Grease Lubricationngrease [1/min]66600

Geometrical Data

Number of BallsZ [Qty]8
Bearing Weightm [kg]0.023

Mating Part Dimensions

Abutment Diameter Inner Ringda min [mm]11.5
Abutment Diameter Outer RingDa max [mm]21.0
Chamfer Associated Componentra max [mm]0.3


  1. The stated load ratings are given for a single bearing with grease lubrication. If specific applications differ, please consult GMN USA engineers.
  2. Speed ratings are for phenolic outer land guided cage (TA). Please consult the full GMN Bearing catalog or GMN USA engineers for speed ratings of different cages.

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