How to model retainer cage of ball bearing?

Here are a few steps and the uploaded model: Bearing cage demo
Open the model and look at each step to see how it was done.

  1. Step 1:

    First create a ball and then an intersecting axis using the top and right planes

  2. Step 2:

    Create a circular pattern of your balls around the new axis

  3. Step 3:

    Sketch a band on your front plane

  4. Step 4:

    Use mid-plane to extrude your cage band, but UNCHECK the "merge result" box

  5. Step 5:

    Sketch a slot on your top plane and make a cut through only your band by selecting on the band as your cut body

  6. Step 6:

    Make a circular pattern of the previous cut around the same axis using the same number as the balls you patterned

  7. Step 7:

    This should complete your cage