Boston Gear F715-20-B5-G is a 700 Series worm gear speed reducer (single reduction) with a 20:1 gear ratio and a rugged cast-iron housing. It uses a 0.6245 in input shaft and a 0.75 in (3/4 in) output shaft with a center distance of 1.54 in and a solid projecting output. The unit is rated for up to 1,750 rpm input and up to 87.5 rpm output, with 0.72 hp input and 0.60 hp output and an efficiency around 84%. Lubrication is Klubersynth UH1 6-460, and the assembly measures approximately 7.25 in L x 6.84 in W x 5.38 in H with no base mount.
