GF48B Cast Iron Change GearBoston Gear change gears are used primarily on machine tools to provide different cutting speeds while using a constant speed input. All Boston Gear change gears are manufactured with a double key to accept the compound steel bushings that connect two gears together, allowing them to spin on an intermediate shaft. The change gears we stock range from 20 tooth through 128 tooth gears, in one tooth increments, depending upon the diametrical pitch, for a

• Full Torque Stop

Mounted component moves axially during installation

Adapters eliminate the need for complete shaft replacement

KWY/Setscrew/Other: No KWY or Setscrew

the CUCSPA has a Hard Chrome bearing insert and a Stainless Steel housing

Click here for spec sheets: BUCTFL Spec Sheet

the brake will immediately set and hold

worms and worm gears operating together must have the same diametrical pitch and threads

just has eccentric locking insert instead of set screw

All Boston Gear change gears are manufactured with a double key to accept the compound steel bushings that connect two gears together

• Superior Thermal Capacity

Acetal Copolymer collars will not rust or corrode