R400 Series Racks – Square

To determine your part number.  See the example in the graphic.  Start by selecting desired “A” and “B” dimension to determine R400 series specifications. Example R401 series represents .500 by .500 square rack.  Next is the uncut length “C”, in this example it is 0.00, then the overall length “L” of 18.00.  Next is your desired pressure angle, select 14 1/2 or 20,  in this example 20 pressure angle was chosen.

Next select your pitch, which in this example is “8” pitch.