Boston Gear 724-20-J Gear Reducer is a single-reduction worm gear speed reducer in the 700 Series, delivering a 20:1 reduction ratio. The model is specified as No Base with a J assembly configuration (724-20-J, also shown as 72420J). As a member of Boston Gear’s 700 Series, it provides torque multiplication in a compact footprint for inline power transmission in small machinery and equipment where precise speed reduction is required.
