Rockford Ball Screw ACME Nuts A407508-2

A407508-2 is a standard ACME nut designed for use with 3/4-8 ACME screws, featuring a bronze construction and a 2G thread class. It supports a dynamic load capacity of 2,800 lbs and a static load capacity of 9,000 lbs, with a forward driving efficiency of 57% when paired with a 4-start screw. The nut accommodates the 3/4 inch nominal diameter screw with 8 threads per inch and a lead of 0.500 inches. Its mounting includes four 0.266 inch through-holes on a 2.090 inch bolt circle diameter, consistent with the flange design specified in the series. The part shares all dimensional and performance specifications with other variants in the 3/4-8 ACME nut series.