GD48B 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

They are spring set and electro-magnetically released

Click here for spec sheet: SALF-H4 Spec Sheet

All Stainless Steel

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

Pressure Angle: 20 Degrees

Click here for spec sheets: SNA Spec Sheet

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

1/4"Bore= #6-32 setscrew

These specially designed collars fit over rail assemblies on precision shafting

Step Down Adapters are ideal for making the shaft smaller

Click here for spec sheet: SB Spec Sheet

Splined Hub