GB74B 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

Boston Gear change gears are used primarily on machine tools to provide different cutting speeds while using a constant speed input

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

They are available in plastic

When the magnet coil is de-energized

Note: This is the spec sheet for the set screw Locking version

Click here for spec sheet: UCHA Spec Sheet

Provides greater axial holding power than set screw or one-piece clamping collars

Piloted Flange Units

Center Distance: 3

just has eccentric locking insert instead of set screw

Click here for spec sheets: SUCSP Spec Sheet

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