D1631A Cast Iron Worm GearWhen used with Boston Gear worms, Boston Gears worm gears provide effective power transmission in applications requiring high ratio speed reduction in a limited space using right angle (90), non intersecting shafts. They are also the smoothest, quietest form of gearing when properly applied. Boston Gear offers worm gears manufactured from a variety of materials, such as acetal, minlon, bronze, and cast iron to suit your applications requirements.

14 1/2° PA gears are used extensively because of lower backlash and smoother

Reducer Material/Paint: Cast Iron

Center Distance: 2

Click here for spec sheet: SBLF-H4 Spec Sheet

Pressure Angle: 20 Degrees

Click here for spec sheets: SNA Spec Sheet

Click here for spec sheet: SBLP Spec Sheet

Includes 2 set screws

The spline design virtually elimi nates back lash which is a delayed action effect caused by excessive clearances between hub and discs

Click here for spec sheets: SUCNPF Spec Sheet

Click here for spec sheets: BUCTPA Spec Sheet

see SNA vs SUC pages for bearing insert dimensions)