GA58B 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

Porous flanged bronze bearing is press-fit in sturdy zinc die cast sphere with felt strip for lubrication

Provides torque transmission & alignment

-60° to 180° F temperature range

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

Click here for spec sheet: NANF Spec Sheet

When the magnet coil is de-energized

Click here for spec sheet: SALF-H4 Spec Sheet

View Catalog PageInstallation & Removal Instructions

Click here for spec sheet: SUCNPP Spec Sheet

Spring-lid oil cap can be positioned 4 ways

Extra thick non-conductive rubber liner corrects misalignment up to 2° while reducing noise & vibration

Click here for spec sheets: HUCNPT Spec Sheet