Mounted Ball Bearing Units

  1. SAE 52100 Inner Race, Outer race and Rolling Elements.
    True bearing steel. Other manufacturers use cheaper steel on inner race.
  2. Wide Inner Race.
    Reduces inner race cocking and increases life.
  3. Steel Retainer.
    Increased thermal and fatigue resistance vs. cheaper plastic retainer used by other manufacturers.
  4. Anti-Rotation Device.
    Keeps the bearing from spinning in the housing while allowing it to self-align.
  5. Seal with Flinger.
    Flinger spins with inner race, keeping dirt away. Creates a labyrinth to keep contaminants out.
  6. Setscrews at 120 degrees.
    Balances internal forces on inner ring. Retains roundness of inner ring. Increases life.*
  7. Annealed Setscrew Ports.
    Annealing eliminates cracking of the inner race around setscrew ports.
  8. Solid Base.
    Gives added housing strength over other products that are not solid base.

*Inch-dimensioned bearings have inch-dimensioned setscrews and grease fittings. Metric bearings have metric setscrews and grease fittings.

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