GD57B 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

• Direct Acting

Center Distance: 2

Click here for spec sheet: BUCTP Spec Sheet

Just ask your CSR which is best for you

Click here for spec sheet: NAPA Spec Sheet

Note: This is the spec sheet for the All Stainless version

Click here for spec sheets: HUCNPFL Spec Sheet

Splines in crease disc life because the many con tact points between hub and discs reduce the concentration of stresses encountered with non-splined hubs having only a few contact points

Allows you room to re-bore the ID without damaging the clamp screws

Climax Series C801 Single Nut Locking Assemblies deliver a mechanical interference fit and provides a higher torque capacity over alternative keyed connections

These unique two-piece rigid clamping couplings come with an undersized ID

Click here for spec sheet: CSA Spec Sheet