GB87A 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

Click here for spec sheet: CUCNPP Spec Sheet

KWY/Setscrew/Other: No KWY or Setscrew

Heavy guage one-piece housing has rust proof plated finish

And remember that spur gears and rack are available via our Guaranteed Same Day Shipment Program

They are also the smoothest

When the magnet coil is de-energized

Interchangeable with most metal units

Click here for spec sheets: BUCTF Spec Sheet

Click here for spec sheet: UCPX Spec Sheet

And don’t forget Boston Gear’s Guaranteed Same Day Shipment program – revolutionary premium free guaranteed same day shipment for in-stock items

self-centering design for use in through-bored components with extremely high torque and/or bending requirements

Reduction Type: Single Reduction Right Angle