G1052A LH Cast Iron Worm Gear 110mm ID They are spring set and

They are spring set and electro-magnetically released

Pressure Angle: 20 Degrees

the SNASFB has an eccentric locking bearing insert

Acetal Copolymer collars will not rust or corrode

Reducer Material/Paint: Cast Iron

G1052A LH Cast Iron Worm Gear 110mm ID They are spring set andWhen 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.