GB22 Steel 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

Diametral Pitch: 20

the SNASFCS has an eccentric locking bearing insert

Click here for spec sheets: UCFCF Spec Sheet

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

Fan Cooled: No

having good hardness

dimensions are the same (except "z" is longer

oil-impregnated

Be sure to ask for the Boston Gear compound steel bushings designed specifically for use with these gears

the teeth are cut into the inside diameter while the outside diameter is kept smooth

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