Boston Gear F872B-32K-B9 Industrial Gear Reducer is an inline helical gear drive from the 800 Series, delivering a 31.22:1 reduction and an output speed of about 56 RPM when powered from a standard 60 Hz motor. The unit is rated at approximately 4.9 horsepower and uses a 180TC output shaft, enabling compatible couplings and shaft adapters in a compact inline package. This model is shown as the inline-mount F872B-32K-B9-M1 (with a flange variant F872BF-32K-B9-M8) in Boston Gear catalogs, making it a common choice for low- to medium-torque drives in manufacturing and packaging equipment requiring precise speed reduction.
