GB109A 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

Documentation

Tolerates -5° to 220° F

Click here for spec sheet: NAPL Spec Sheet

Click here for spec sheets: SNATF Spec Sheet

Miter Gears are similar to Bevel Gears except Miter Gears are used for 1:1 ratios

Click here for spec sheets: SUCNPFCS Spec Sheet

Straight/Spiral Tooth: Straight Tooth

the brake will immediately set and hold

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

Drop-in replacement for commonly used hex nut keyless bushings

Click here for spec sheets: SUCSFB Spec Sheet

quieter operation