Boston Gear D1420A Right-Hand Worm Gear Assembly

Boston Gear D1420A Right-Hand Worm Gear is a cast-iron, single-lead worm gear designed for compact, 90-degree power transmission where shafts do not intersect. The RH variant specifies 8 diametral pitch (DP), a 14.5-degree pressure angle, and 20 teeth, making it compatible with Boston Gear worms of the same pitch for reliable meshing in worm-gear pairs. This model appears with its left-hand counterpart (D1420ALH) as part of Boston Gear’s worm-gear family, indicating availability in both handed configurations. Used within open-gearing assemblies, it supports the required speed reduction and torque transfer in equipment that employs a 90-degree layout in confined spaces. Typical applications include industrial machinery and automation equipment that rely on a durable cast-iron gear to handle demanding loads while maintaining a compact form. For proper performance, pair the D1420A RH with the corresponding Boston Gear worm shaft of the same DP and pressure angle, following the manufacturer’s installation guidelines to ensure proper alignment and meshing in the drive train.