GA54B 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

Click here for spec sheet: UCPA Spec Sheet

Recommended Lubrication: Klubersynth UH1 6-460

Pilot bore can be opened to the nominal ID reflected in the part number

Pressure Angle: 20 Degrees

KWY/Setscrew/Other: 1/8"Bore= #2-56 setscrew

The different styles offered include spur

Click here for spec sheet: SARFB Spec Sheet

Diametral Pitch: 16

Click here for spec sheets: SUCNPFB Spec Sheet

Click here for spec sheet: SB Spec Sheet

UHMW-PE provides durability & low friction

Click here for spec sheet: CUCTP Spec Sheet