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R100 Series Racks – Shank

To determine your part number.  See the example in the graphic.  Start by selecting desired diameter for your rack, example R101 series represents 1.000 diameter rack.  Next is the uncut length “C”, in this example it is 3.00, then the overall length of 15.00.  Next is your desired pressure angle, select 14 1/2 or 20,  in this example 20 pressure angle was chosen.

Next select your pitch, then shank diameter “B” and final dimension “D” for shank length.

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Make sure to have the following information when making your request for quote:

  • Desired rack diameter
  • Uncut length, “C” length
  • Overall length including uncut “C” length
  • Desired pressure angle (14-1/2 or 20)
  • Desired Pitch
  • Shank diameter, “B” dimension
  • Shank length, “D” dimension