GH58A 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

Porous flanged bronze bearing is press-fit in sturdy zinc die cast sphere with felt strip for lubrication

14 1/2° PA gears are used extensively because of lower backlash and smoother

and web with spokes

Click here for spec sheet: UC Spec Sheet

B-Type Seals

Click here for spec sheet: ER Spec Sheet

The different styles offered include spur

These specially designed collars fit over rail assemblies on precision shafting

Click here for spec sheet: HUCFL Spec Sheet

Its proven modular design has set the industry standard for performance and is the most imitated product in today's worm gear speed reducer market

No control equipment is required

• Compact