GD98A 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

Pre-Lubricated: No

Bost-Bronz® is Boston Gear’s all-purpose

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Design fully engages the thread for secure locking

Click here for spec sheets: SUCSFCS Spec Sheet

Click here for spec sheet: SUCTP Spec Sheet

Ideal for space constrained areas

quieter operation

Two-Piece Housing has rust-proof plated finish

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

3/16"Bore= #4-40 setscrew

see SNA vs SUC pages for bearing insert dimensions)