Boston Gear F71530ZB56 Industrial Gear Reducer

Boston Gear F71530ZB56 Industrial Gear Reducer is a 30:1 single-reduction worm-gear speed reducer from the 700 Series, built around a 56C frame and designed for B5 motor-flange mounting with a 1.54 in center distance. The unit uses a C-face/quill input on a 0.625 in input shaft and is cataloged in the F715-30-B5-G family, with variants offered without a base (G assembly) for flexible mounting. Typical performance for this size includes up to 0.3 hp input and about 277 in-lb of output torque, yielding roughly 58 rpm at the 30:1 ratio under standard drive conditions. This component is documented in Boston Gear literature and catalogs as part of the 700 Series, confirming a 56C frame, 1.54 in center distance, and F715-30-B5-G designation; verify exact variant (handedness of the output and base availability) for your application.