GD80A Cast Iron Change Gear 216 Bearing insert with 2 set

Bearing insert with 2 set screws has longer inner race for added load support

For applications involving slow rotating or linear motion

Click here for spec sheet: UCFC Spec Sheet

worms and worm gears operating together must have the same diametrical pitch and threads

Pressure Angle: 14-1/2 Degree Pressure Angle

GD80A Cast Iron Change Gear 216 Bearing insert with 2 setBoston 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