Boston Gear SBKQC72120ZB5J Gear Reducer

Boston Gear SBKQC72120ZB5J Gear Reducer is a 700 Series worm-gear speed reducer designed for right-angle drive in a cast-iron housing, packaged in a 56C-frame footprint. It is a single-reduction unit with a 20:1 gear ratio and a 2.06-inch center distance, making it suitable for space-constrained installations that still require torque multiplication. The input is a C-face quill input compatible with a 0.625-inch shaft, and the output is a solid 1.00-inch diameter shaft with right-hand rotation, all configured on a B5 flange. This design aligns with standard 56C power transmission components, enabling straightforward motor coupling and mechanical integration in automation systems where compact worm-drive reduction is advantageous. The 56C frame and B5 mounting make it compatible with a broad range of motors and mounting accessories, and the quill-input, C-face configuration supports easy alignment in tight layouts.